Former CENTCOM commander: US 'certainly vulnerable' to attacks in Iraq, Syria

Retired Gen. Frank McKenzie, the former commander of the U.S. Central Command (CENTCOM), said on Sunday that he thinks U.S. troops in Iraq and Syria are "certainly vulnerable" to retaliatory attacks by Iran. In an interview on CBS News’s “Face the Nation,” McKenzie said he’s not surprised that Iran has not yet retaliated following U.S....