Former politician Tommy Sheridan makes a statement to reporters outside his home in Glasgow, Scotland May 30, 2012. British Prime Minister David Cameron's former spokesman was detained on Wednesday by police on suspicion of perjury after he denied in court any knowledge of phone hacking by reporters at Rupert Murdoch's News of the World. .Coulson was called to the Scottish court to answer questions over a front-page story on the News of the World about a Scottish socialist politician, Tommy Sheridan, who the paper accused of visiting a swingers' club. REUTERS/David Moir (BRITAIN - Tags: CRIME LAW POLITICS) )

A female guest enjoys the atmosphere in a swingers club The Secession art gallery in Vienna late evening February 23, 2010. The Secession has opened a nightly swingers club as part of a two-month project aimed at provoking debate about scandal in art. The club, housed in the cellar of the building in central Vienna, offers visitors the chance to act out their sexual fantasies in leather and latex and includes a dance floor, body painting and an S&M chamber. To match Reuters Life! ODD-AUSTRIA/SEX REUTERS/Herwig Prammer (AUSTRIA - Tags: SOCIETY ODDLY)

Guests enjoy a bondage show at The Secession art gallery in Vienna late evening February 23, 2010. The Secession has opened a nightly swingers club as part of a two-month project aimed at provoking debate about scandal in art. The club, housed in the cellar of the building in central Vienna, offers visitors the chance to act out their sexual fantasies in leather and latex and includes a dance floor, body painting and an S&M chamber. To match Reuters Life! ODD-AUSTRIA/SEX REUTERS/Herwig Prammer (AUSTRIA - Tags: SOCIETY ODDLY)

Guests enjoy the atmosphere in a swingers club at at The Secession art gallery in Vienna late evening February 23, 2010. The Secession has opened a nightly swingers club as part of a two-month project aimed at provoking debate about scandal in art. The club, housed in the cellar of the building in central Vienna, offers visitors the chance to act out their sexual fantasies in leather and latex and includes a dance floor, body painting and an S&M chamber. To match Reuters Life! ODD-AUSTRIA/SEX REUTERS/Herwig Prammer (AUSTRIA - Tags: SOCIETY ODDLY)

Guests enjoy a bondage show at The Secession art gallery in Vienna late evening February 23, 2010. The Secession has opened a nightly swingers club as part of a two-month project aimed at provoking debate about scandal in art. The club, housed in the cellar of the building in central Vienna, offers visitors the chance to act out their sexual fantasies in leather and latex and includes a dance floor, body painting and an S&M chamber. To match Reuters Life! ODD-AUSTRIA/SEX REUTERS/Herwig Prammer (AUSTRIA - Tags: SOCIETY ODDLY)

Cars pass The Secession art gallery in Vienna late evening February 23, 2010. The Secession has opened a nightly swingers club as part of a two-month project aimed at provoking debate about scandal in art. The club, housed in the cellar of the building in central Vienna, offers visitors the chance to act out their sexual fantasies in leather and latex and includes a dance floor, body painting and an S&M chamber. To match Reuters Life! ODD-AUSTRIA/SEX REUTERS/Herwig Prammer (AUSTRIA - Tags: SOCIETY ODDLY)

People ride a wave swinger at a carnival in Manila November 4, 2007. REUTERS/Cheryl Ravelo (PHILIPPINES)

People ride a wave swinger at a carnival in Manila November 4, 2007. REUTERS/Cheryl Ravelo (PHILIPPINES)

Two couples who met and swapped partners the night before at the annual convention of Lifestyles, the largest U.S. swingers organization, are pictured together at a Las Vegas Hotel, Las Vegas, Nevada, August 11, 2007. The event features seminars, contests, pool parties and late night orgies for a middle aged crowd of mostly married couples in hotel suites.
Matt Virtue, 40, a consultant without hat, lives with Michelle (in red bikini), 38, a government worker, outside Washington D.C., Harry (bald), 42, a computer specialist, lives in LA and his girlfriend is rock and roll singer Vickie Lynn, 43 (wearing sunglasses and hat). Picture taken August 11, 2007. To match feature USA-SWINGERS/ REUTERS/Adam Tanner (UNITED STATES)

Robert McGinley, head of Lifestyles, the largest U.S. swingers organization, poses during their annual convention at a Las Vegas hotel August 11, 2007. "Swingers," couples who exchange sex partners, have become a $15 million a year business. To match feature SWINGERS/MCGINLEY REUTERS/Adam Tanner (UNITED STATES)

Members of a traditional flag-swinger club from the southern German town of Konstanz perform with several different national flags in front of the Reichstag building, the seat of the German lower house of parliament Bundestag in Berlin May 12, 2007. REUTERS/Arnd Wiegmann (GERMANY)

Shiela (L), 30, sitting on husband Chris Tucker's lap, kisses Shalee as her husband looks on at the annual Lifestyles convention in Las Vegas, Nevada July 21, 2006. About 1,500 couples are gathering through Sunday to enjoy an atmosphere of open sexuality. PICTURE TAKEN ON JULY 21, 2006. REUTERS/Adam Tanner (UNITED STATES)

Shiela (L), 30, sitting on husband Chris Tucker's lap, kisses Shalee as her husband looks on at the annual Lifestyles convention in Las Vegas, Nevada July 21, 2006. About 1,500 couples are gathering through Sunday to enjoy an atmosphere of open sexuality. PICTURE TAKEN ON JULY 21, 2006. REUTERS/Adam Tanner (UNITED STATES)

Married swinger couple Chantal and Michel Delbecchi sit on a couch in Club L'Orage, a local swingers club, as club owner Jean-Paul Labaye smokes nearby (foreground), in Montreal December 23, 2005. In a landmark decision on December 21, the Supreme Court of Canada lifted a ban on so-called "swingers" clubs, ruling that group sex among consenting adults is neither prostitution nor a threat to society. Picture taken December 23, 2005. REUTERS/Christinne Muschi

Married swinger couple Chantal (R) and Michel Delbecchi sit on the stairs in Club L'Orage, a local swingers club, in Montreal December 23, 2005. The Supreme Court of Canada ruled last week that group sex among consenting adults is neither prostitution nor a threat to society as it lifted a ban on so-called "swingers" clubs. REUTERS/Christinne Muschi

Married swinger couple Chantal (L) and Michel Delbecchi talk at the bar at Club L'Orage, a local swingers club, as club owner Jean-Paul Labaye smokes nearby, in Montreal December 23, 2005. In a landmark decision on December 21, the Supreme Court of Canada lifted a ban on so-called "swingers" clubs, ruling that group sex among consenting adults is neither prostitution nor a threat to society. Picture taken December 23, 2005. REUTERS/Christinne Muschi

Preakness hopeful Senor Swinger, trained by Bob Baffert, works out with
exercise rider Charlie Rosier at Pimlico Race Course in Baltimore, May
16, 2003. Senor Swinger, who did not run in the Kentucky Derby, is
scheduled to run in the 128th Preakness Stakes on May 17. REUTERS/Molly
Riley

MR

Preakness hopeful Senor Swinger, trained by Bob Baffert, is washed
after a morning workout at Pimlico Race Course in Baltimore, May 16,
2003. Senor Swinger, who did not run in the Kentucky Derby, is
scheduled to run in the 128th Preakness Stakes on May 17. REUTERS/Molly
Riley REUTERS

MR

Preakness hopeful Senor Swinger, trained by Bob Baffert, works out with
exercise rider Charlie Rosier at Pimlico Race Course in Baltimore, May
15, 2003. Senor Swinger, who did not run in the Kentucky Derby, is
scheduled to run in the 128th Preakness Stakes on May 17. REUTERS/Joe
Giza

MR/HB

Preakness hopeful Senor Swinger, trained by Bob Baffert, works out with
exercise rider Charlie Rosier at Pimlico Race Course in Baltimore, May
15, 2003. Senor Swinger, who did not run in the Kentucky Derby, is
scheduled to run in the 128th Preakness Stakes on May 17. REUTERS/Joe
Giza

MR/HB

Horse trainer Bob Baffert talks with race fans as he waits for his
horses to take the track for morning workouts at Churchill Downs in
Louisville, Kentucky, April 28, 2003. Baffert is preparing three
horses, Indian Express, Kafwain and Senor Swinger for the 129th running
of the Kentucky Derby to be held May 3. REUTERS/John Sommers II

JPS

TO ACCOMPANY STORY CANADA-SWINGERS - Ron and Wendy Michaels of Toronto are your typical married couple. Their lives would not seem extraordinary except that on weekends they run Club Eros, a swingers club, where members often engage in multi-partnered, orgiastic sex. Club Eros is only one of about 400 clubs across North America catering to a lifestyle that challenges the way conventional society looks at sex and defines monogamy. Photo taken February 3.

PJ/SV

Dallas Cowboys' running back Emmitt Smith (R) fights his way past Arizona Cardinals' defensive tackle Rashad Swinger for a short gain during the second period of their NFL wildcard playoff game at Texas Stadium in Irving January 2. The winner plays the Atlanta Falcons next weekend.

JM/RC/KM