U.S. President Barack Obama (2nd L) and Iraq’s Prime Minister Nuri al-Maliki (2nd R) arrive to lay a wreath at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Virginia, December 12, 2011. REUTERS/Jonathan Ernst (UNITED STATES – Tags: POLITICS MILITARY)
President Obama & Iraqi Prime Minister Nouri al-Maliki participate in a wreath laying ceremony