A military mom gets a hug during a Joining Forces Mother's Day event for military families hosted by First Lady Michelle Obama and Dr. Jill Biden, wife of Vice President Joe Biden, at the White House in Washington, D.C., May 10, 2012. A military mom gets a hug during a Joining Forces Mother's Day event for military families hosted by First Lady Michelle Obama and Dr. Jill Biden, wife of Vice President Joe Biden, at the White House in Washington, D.C., May 10, 2012. SHARE: Download: Full Size (4.79 MB) Tags: Photo Essays Credit: VIRIN: 285631-Y-LDI68-246.jpg Photo Gallery