Jill Biden poses with Michelle Obama

First Lady Michelle Obama and Dr. Jill Biden joke together while taping a Joining Forces public service announcement in the East Room of the White House, April 4, 2011. (Official White House Photo by Chuck Kennedy) This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.Ê