U.S. President Barack Obama is welcomed upon his arrival at the airport to attend the Summit of the Americas in Cartagena

 
U.S. President Barack Obama is welcomed upon his arrival at the airport to attend the Summit of the Americas in Cartagena
U.S. President Barack Obama is welcomed upon his arrival at the airport to attend the Summit of the Americas in Cartagena April 13, 2012. Leaders from North and South America will mix perennial controversies over Cuba and the Falklands with trade tensions and a new look at the war on drugs at the weekend summit in Colombia. REUTERS/Kevin Lamarque (COLOMBIA - Tags: POLITICS)