Former U.S. Presidents George H.W. Bush and George W. Bush during first pitch prior to start of Game...
Former U.S. President George H.W. Bush (R) watches as his son, former President George W. Bush, throws a ceremonial first pitch prior to the start of Game 4 of Major League Baseball's World Series between the San Francisco Giants and the Texas Rangers, in Arlington, Texas, October 31, 2010. REUTERS/Brian Snyder (UNITED STATES - Tags: SPORT BASEBALL IMAGES OF THE DAY)