U.S. Secretary of State Hillary Rodham Clinton meets with Northern Ireland Deputy First Minister Martin McGuinness at Stormont Castle in Belfast on Dec. 7, 2012. Clinton traveled to Northern Ireland to lend her support to the British province's fragile peace, the frailty of which was underlined by overnight rioting on the eve of her visit and the seizure of a bomb. (Associated Press)

Photo by: KEVIN LAMARQUE

U.S. Secretary of State Hillary Rodham Clinton meets with Northern Ireland Deputy First Minister Martin McGuinness at Stormont Castle in Belfast on Dec. 7, 2012. Clinton traveled to Northern Ireland to lend her support to the British province's fragile peace, the frailty of which was underlined by overnight rioting on the eve of her visit and the seizure of a bomb. (Associated Press)