PRESIDENTIAL PITCH President Barack Obama throws out the ceremonial first pitch to start the baseball season for the Washington Nationals at Nationals Park in Washington D.C., April 5, 2010. The Washington Nationals honored military children, inviting nine children whose family members either recently or currently are deployed to step onto the infield with the starting players to see the president throw out the first pitch. The Nationals lost 11-1 to the Philadephia Phillies. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 739644-H-PGG45-938.jpg Photo Gallery