President George W. Bush (L) and his father, former president George Bush, drive in a golf cart while playing a round at the Cape Arundel Golf Club in Kennebunkport, Maine, July 6, 2002. President Bush is celebrating his 56th birthday and spending the weekend at his parent's house. Photo by Larry Downing/Reuters 
U.S. President George W. Bush watches his putt go wide of the hole as he golfs with his father, former President George H. W. Bush, while on vacation in Kennebunkport, Maine July 6, 2002. Today is President Bush's 56th birthday. REUTERS/Brian Snyder
.S. President George W. Bush (R) bends back as he watches a putt from his father, former President George H.W. Bush (L), while on vacation in Kennebunkport, Maine, July 6, 2002. Today is President Bush's 56th birthday. REUTERS/Brian Snyder
President George W. Bush leans and bends urging along a putt by his father, former-President Bush, during a golf outing at the Cape Arundel Golf Club near the Bush family home in Kennebunkport, Maine, Saturday, July 6, 2002. The president is celebrating his 56th birthday today with his family. (AP Photo/J. Scott Applewhite)