First Lady Michelle Obama and Dr. Jill Biden in a Joining Forces pre-game ceremony prior to Game 1 of the World Series

First Lady Michelle Obama and Dr. Jill Biden participate, with Marine Lance Cpl. James Sperry and his daughter Hannah, 5, in a Joining Forces with Major League Baseball pre-game ceremony prior to Game 1 of the World Series between the St. Louis Cardinals and the Texas Rangers at Busch Stadium in St. Louis, Mo., Oct. 19, 2011. (Official White House Photo by Lawrence Jackson)