A volunteer places signs ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Georgia Rondeau, 5, holds a sign ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Georgia Rondeau, 5, walks down steps ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Georgia Rondeau, 5, runs up steps ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Levon Rondeau, 3, runs up steps ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

People wait in line to attend a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Georgia Rondeau, 5, runs up steps ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

A couple hug while waiting in line to attend a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

A volunteer places signs ahead of a concert rally with Democratic U.S. presidential candidate Senator Bernie Sanders in Keene, New Hampshire, U.S., February 9, 2020. REUTERS/Rick Wilking 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, is greeted by actor Michael J. Fox speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members listen as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

A supporter wears a sticker as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members listen as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Actor Michael J. Fox introduces Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg,during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Democratic presidential candidate and former South Bend, Indiana mayor Pete Buttigieg, speaks during a campaign event at Keene State College in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Brendan McDermid 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members pass out signs as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members listen as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members listen as Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor speaks at a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Pete Buttigieg, Democratic presidential candidate and former South Bend, Indiana mayor attends a campaign event in Keene, New Hampshire, U.S., February 8, 2020. REUTERS/Eric Thayer 

Audience members arrive for a campaign town hall meeting with Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

An audience member asks a question at a campaign town hall meeting with Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Audience members listen as Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Audience members listen as Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Audience members listen as Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) pauses while speaking at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) dances at the end of a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) arrives to speak to reporters after a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) dances at the end of a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks to reporters after a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks to reporters after a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder TPX IMAGES OF THE DAY 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) speaks at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) waits to take the stage at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) waits to take the stage at a campaign town hall meeting in Keene, New Hampshire, U.S., February 4, 2020. REUTERS/Brian Snyder 

Official Monster Raving Loony Party candidate Baron Badger reacts next to Conservative Party candidate Dominic Raab, Liberal Democrats candidate Monica Harding and independent candidate Kylie Keens during the announcement of voting results for the constituency of Esher and Walton, at a counting centre for Britain's general election in Esher, Britain December 13, 2019. REUTERS/Chris Radburn 

U.S. President Donald Trump visits the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst 

U.S. President Donald Trump gestures next to Louis Vuitton's Chairman and CEO of Luxury goods group LVMH Bernard Arnault during his visit to the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst 

U.S. President Donald Trump visits the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst 

U.S. President Donald Trump speaks next to Louis Vuitton's Chairman and CEO of Luxury goods group LVMH Bernard Arnault during his visit to the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst 

U.S. President Donald Trump participates in ribbon cutting ceremony at the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst 

U.S. President Donald Trump visits the Louis Vuitton Rochambeau Ranch leather workshop in Keene, Texas, U.S. October 17, 2019. REUTERS/Jonathan Ernst