INDEPENDENCE GREETING President Barack Obama greets military families on the South Lawn during an Independence Day celebration at the White House in Washington, D.C., July 4, 2009. The president invited about 1,200 military families to the White House to personally thank them for their service and sacrifice. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 325726-G-JKJ67-450.jpg Photo Gallery