Also today, the U.S. military released more prisoners as part of Prime Minister Nouri al-Maliki's promise to free more than 2, 500 Iraqis held in U.S.-run jails.

NPR: Military Reviews Zarqawi's Last Moments

Like Ghana, Nigeria has shown promise at youth level, winning U-17 World Cup titles in 1985, 1993 and 2007, and winning Olympic gold at the 1996 Atlanta Games.

CNN: Ghana looks to World Cup after U-20 success

The U.S.-Libyan relationship has been steadily improving since Gadhafi's promise in December to dismantle the country's weapons of mass destruction, eliminate its longer-range missile programs and end its cooperation with terrorists.

CNN: U.S. renews diplomatic ties with Libya