U.S first lady Michelle Obama introduces President Barack Obama to speak during a campaign rally at the Ohio State University in Columbus

 
U.S first lady Michelle Obama introduces President Barack Obama to speak during a campaign rally at the Ohio State University in Columbus
U.S first lady Michelle Obama introduces President Barack Obama to speak during a campaign rally at the Ohio State University in Columbus, Ohio May 5, 2012. President Obama officially kicked off his reelection campaign today with visits to Ohio and Virginia. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS ELECTIONS)