U.S. President Barack Obama walks, with Secret Service agents by his side, to greet well wishers upon his arrival in Tampa

 
 U.S. President Barack Obama walks, with Secret Service agents by his side, to greet well wishers upon his arrival in Tampa
U.S. President Barack Obama walks, with Secret Service agents by his side, to greet well wishers upon his arrival in Tampa, Florida April 13, 2012. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)