WASHINGTON, DC - MAY 10:  U.S. first lady Michelle Obama (L) and Dr. Jill Biden (R), Biden (R), wife of U.S. Vice President Joe Biden, participate in honoring the upcoming Military Spouse Appreciation Day and in support of military families celebrating Mother's Day during an event in the State Dining Room at the White House May 10, 2012 in Washington, DC. The two began by hosting a Joining Forces Mother's Day event for three generations of military families and military mothers, as well as participating in a Joining Forces service to provide care packages to military mothers who have loved ones serving abroad.  (Photo by Win McNamee/Getty Images)