Presidents take a swing at golf – President Barack Obama and Vice President Joe Biden practice on the White House putting green in 2009. Fifteen of the past 18 presidents have played golf.

Presidents take a swing at golf – President George W. Bush tips his hat after teeing off on the first hole at the Andrews Air Force Base golf course on September 28, 2003.

Presidents take a swing at golf – President Bill Clinton watches as his first tee shot heads off the course and into the trees at the Farm Neck Golf Club of Martha's Vineyard during a family vacation on August 23, 1999. Known for taking mulligans, or friendly do-over shots, his second attempt landed in the same spot.

Presidents take a swing at golf – President George H. W. Bush tees off on the fourth hole at Spyglass Golf Course during the AT&T Pebble Beach National Pro-Am on February 28, 1994, in Pebble Beach, California.

Presidents take a swing at golf – President Ronald Reagan putts a golf ball on Air Force One on November 16, 1985.

Presidents take a swing at golf – President Gerald Ford plays golf during a working vacation on Mackinac Island in Michigan on July 13, 1975.

Presidents take a swing at golf – President Richard Nixon and Attorney General John Mitchell play golf at the Los Angeles Country Club in 1969.

Presidents take a swing at golf – President Dwight D. Eisenhower drives down the fairway at Turnberry golf course during a weekend stay at Culzean Castle on the Ayrshire coast of Scotland on September 5, 1959. Eisenhower often carried a club in the Oval Office and took swings while dictating to his secretary.

Presidents take a swing at golf – President Warren Harding, left, gets ready to golf on the Piping Rock Golf Links on Long Island, New York, in 1921. He's with Howard Whitney, second from left, president of the U.S. Golf Association; financier Percy Pyne; and industrialist J. Leonard Replogle.

Presidents take a swing at golf – President Woodrow Wilson plays a round of golf in 1916. He played more golf than any other president, reportedly logging more than 1,000 rounds in his two terms.

Presidents take a swing at golf – President William Howard Taft, the 27th U.S. president, putts on the green in Chevy Chase, Maryland, on June 28, 1909. He is said to be the first presidential golfer.