AdvertisementU.S. Wary As Qatar Ramps Up Support Of Syrian RebelsApril 26, 2013Michele KelemenfacebookEmailPresident Obama meets with the emir of Qatar, Sheik Hamad bin Khalifa Al Thani, in the Oval Office on Tuesday. The emir is among a series of visiting Middle East leaders urging the U.S. to take a greater role in the Syrian conflict. (AFP/Getty Images)