Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Britain's ex-Prime Minister Gordon Brown appears on the Marr Show on BBC television in London, Britain, June 10, 2018. Picture taken June 5, 2018. Jeff Overs/BBC/Handout via REUTERS 

Director David Gordon Green and author Jeff Bauman attend a press conference to promote the film "Stronger" at the Toronto International Film Festival (TIFF) in Toronto, Canada September 9, 2017. REUTERS/Fred Thornhill 

Jeff Gordon, former NASCAR driver, speaks during the Sohn Investment Conference in New York City, U.S., May 8, 2017. REUTERS/Brendan McDermid 

Texas Rangers center fielder Leonys Martin (R) and Chicago White Sox second baseman Gordon Beckham react after Martin stole second base during their MLB American League baseball game in Chicago, August 24, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASEBALL TPX IMAGES OF THE DAY) 

Kansas City Royals' Jeff Francoeur (21) and Alex Gordon (4) celebrate after defeating the Philadelphia Phillies after the ninth inning of the Phillies home opener in their Interleague MLB baseball game in Philadelphia, Pennsylvania, April 5, 2013. REUTERS/Tim Shaffer (UNITED STATES - Tags: SPORT BASEBALL) 

Chicago White Sox catcher Tyler Flowers (C), relief pitcher Addison Reed (R) and second baseman Gordon Beckham (15) celebrate after the last out during their MLB American League baseball game against the Kansas City Royals in Chicago April 1, 2013. The White Sox won 1-0. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASEBALL) 

Jeff Gordon climbs into his number 24 Chevrolet for the start of the second NASCAR Sprint Cup Series Budweiser Duel at the Daytona International Speedway in Daytona Beach, Florida February 21, 2013. The two Duel races determine starting positions for the field for the Daytona 500 NASCAR Sprint Cup race scheduled for February 24. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

Jeff Gordon stands next to his number 24 Chevrolet before the start of the second NASCAR Sprint Cup Series Budweiser Duel at the Daytona International Speedway in Daytona Beach, Florida February 21, 2013. The two Duel races determine starting positions for the field for the Daytona 500 NASCAR Sprint Cup race scheduled for February 24. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

Jeff Gordon climbs into his number 24 Chevrolet for the start of the second NASCAR Sprint Cup Series Budweiser Duel at the Daytona International Speedway in Daytona Beach, Florida February 21, 2013. The two Duel races determine starting positions for the field for the Daytona 500 NASCAR Sprint Cup race scheduled for February 24. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (L), of the number 24 car, plugs his ears with a crew member as a car starts in the garage during practice for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida, February 20, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon of the number 24 car, exits his car after his outside pole-securing run during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon, of the number 24 car, prepares to exit his car after his outside pole-securing run during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon, of the number 24 car, prepares to exit his car after his outside pole-securing run during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Danica Patrick (L), of the number 10 car, celebrates securing the pole position for the upcoming Daytona 500, with fellow Sprint Cup driver and inside pole winner Jeff Gordon, of the number 24 car, during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Danica Patrick, of the number 10 car, waves to the crowd as she makes her way into victory lane to celebrate securing the pole position for the upcoming Daytona 500, with fellow Sprint Cup driver and inside pole winner Jeff Gordon, of the number 24 car, during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Danica Patrick (R), of the number 10 car, celebrates securing the pole position for the upcoming Daytona 500, with fellow Sprint Cup driver and inside pole winner Jeff Gordon, of the number 24 car, during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Danica Patrick (L), of the number 10 car, celebrates securing the pole position for the upcoming Daytona 500, with fellow Sprint Cup driver and inside pole winner Jeff Gordon, of the number 24 car, during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Danica Patrick (L), of the number 10 car, celebrates securing the pole position for the upcoming Daytona 500, with fellow Sprint Cup driver and inside pole winner Jeff Gordon, of the number 24 car, during qualifying for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 17, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series drivers Kurt Busch, of the number 78 car, Mark Martin, of the number 55 car, Jeff Gordon, of the number 24 car, and Joey Logano, of the number 22 car, come through the tri-oval in lap five during the Sprint Unlimited Shootout at Daytona International Speedway in Daytona Beach, Florida, February 16, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (L), of the number 24 car, speaks with crew members in the garage during practice for the Daytona 500 qualifying at Daytona International Speedway in Daytona Beach, Florida, February 16, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (L), of the number 24 car, speaks with a crew member in the garage during practice for the Daytona 500 qualifying event at Daytona International Speedway in Daytona Beach, Florida, February 16, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (R), of the number 24 car, speaks with a crew member in the garage during Sprint Unlimited practice at Daytona International Speedway in Daytona Beach, Florida, February 15, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon, of the number 24 car, makes his way toward the track for Sprint Unlimited practice at Daytona International Speedway in Daytona Beach, Florida, February 15, 2013. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

Professional racing driver Jeff Gordon and wife Ingrid Vandebosch arrive for the CNN Heroes: An All-Star Tribute at the Shrine Auditorium in Los Angeles, California December 2, 2012. REUTERS/Jason Redmond (UNITED STATES - Tags: ENTERTAINMENT SPORT MOTORSPORT) 

Chelsea Clinton (R) greets racing driver Jeff Gordon during the final day of the Clinton Global Initiative 2012 (CGI) in New York September 25, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: POLITICS SPORT MOTORSPORT) 

Chicago White Sox second baseman Gordon Beckham (15) hits a homerun against the Detroit Tigers in the third inning of his MLB baseball game in Chicago, September 11, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORTS BASEBALL) 

Chicago White Sox second baseman Gordon Beckham (L) tags out Detroit Tigers shortstop Jhonny Peralta in the second inning of their MLB American League baseball game in Chicago, September 10, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORTS BASEBALL) 

Chicago White Sox shortstop Alexei Ramirez (L) and second baseman Gordon Beckham (R) wait for the pop-up against the New York Yankees during their MLB baseball game in Chicago, August 22, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORTS BASEBALL) 

Kansas City Royals' Alex Gordon (front L), Jarrod Dyson and Jeff Francoeur (R) celebrate winning their American League MLB baseball game against the Toronto Blue Jays at the end of the game in Toronto July 2, 2012. REUTERS/Fred Thornhill (CANADA - Tags: SPORT BASEBALL TPX IMAGES OF THE DAY) 

(L - R)Kansas City Royals left fielder Alex Gordon, right fielder Jeff Francoeur and center fielder Jarrod Dyson celebrate their win over the Milwaukee Brewers in their MLB interleague baseball game in Kansas City, Missouri June 12, 2012. REUTERS/Dave Kaup (UNITED STATES - Tags: SPORT BASEBALL) 

Phoenix Coyotes' Boyd Gordon reacts after a goal by Los Angeles Kings' Jeff Carter (not pictured) on Coyotes goalie Mike Smith (R) during the second period of Game 2 of the NHL Western Conference hockey finals in Glendale, Arizona May 15, 2012. REUTERS/Darryl Webb (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Chicago White Sox second baseman Gordon Beckham (15) dives for a ball in the fourth inning against the Boston Red Sox during their MLB American League baseball game in Chicago, Illinois April 28, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASEBALL) 

Jeff Gordon waves during driver introductions before the start of the NASCAR Sprint Cup Series 54th Daytona 500 race at the Daytona International Speedway in Daytona Beach, Florida, February 26, 2012. REUTERS/Joe Skipper (UNITED STATES - Tags: SPORT MOTORSPORT) 

Utah Jazz Jeremy Evans jumps over teammate Gordon Hayward sitting in a chair as he competes in the slam dunk contest during the NBA All-Star weekend in Orlando, Florida, February 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL TPX IMAGES OF THE DAY) 

Utah Jazz Jeremy Evans jumps over teammate Gordon Hayward sitting in a chair as he competes in the slam dunk contest during the NBA All-Star weekend in Orlando, Florida, February 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

Utah Jazz Jeremy Evans jumps over teammate Gordon Hayward sitting in a chair as he competes in the slam dunk contest during the NBA All-Star weekend in Orlando, Florida, February 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

Utah Jazz Jeremy Evans jumps over teammate Gordon Hayward sitting in a chair as he competes in the slam dunk contest during the NBA All-Star weekend in Orlando, Florida, February 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

Utah Jazz Jeremy Evans jumps over teammate Gordon Hayward sitting in a chair as he competes in the slam dunk contest during the NBA All-Star weekend in Orlando, Florida, February 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

Members of NASCAR Sprint Cup Series driver Jeff Gordon (C) speaks to a crew member about his number 24 car in the garage area at Daytona International Speedway in Daytona Beach, Florida, February 24, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon exits his number 24 car following his qualifying run for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida February 19, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon stand near his number 24 car following his qualifying run for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida February 19, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (C) in his number 24 car, flips over during a crash coming out of turn 4 during the second-to-last lap of the 34th annual Budweiser Shootout at Daytona International Speedway in Daytona Beach, Florida, February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jimmie Johnson skids by, in his number 48 car, as fellow driver Jeff Gordon, in his number 24 car, flips over during a crash coming out of turn 4 during the second-to-last lap of the 34th annual Budweiser Shootout at Daytona International Speedway in Daytona Beach, Florida, February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR fans watch through a window as Sprint Cup Series driver Jeff Gordon speaks with crew members in the garage while working on his number 24 car before a practice session for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon (C) speaks to crew members before a practice session for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR fans watch the activity in Sprint Cup Series driver Jeff Gordon's garage as crew members work on Gordon's number 24 car before the start of practice for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT) 

NASCAR Sprint Cup Series driver Jeff Gordon sits in his number 24 car and speaks to a crew member before start of practice for the Daytona 500, at Daytona International Speedway in Daytona Beach, Florida, February 18, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SPORT MOTORSPORT)