A Secret Service agent watches over the South Lawn as Obama walks to board the Marine One helicopter for departure from the White House in Washington

 
A Secret Service agent watches over the South Lawn as Obama walks to board the Marine One helicopter for departure from the White House in Washington
A Secret Service agent watches over the South Lawn as U.S. President Barack Obama (R) walks to board the Marine One helicopter for departure to Minnesota, where he will deliver remarks on reducing gun violence, from the White House in Washington, February 4, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)