Sen. Warner questions whether America should be a world ‘policeman' after US strikes Syria Fox News chief foreign correspondent Trey Yingst reports on U.S. strikes in Syria and escalating protests in Iran. Sen. Mark Warner, D-Va., gives analysis on ‘Fox News Sunday.’ NEW You can now listen to Fox News articles! A video showing a Syrian militiaman holding what he claims to be a severed braid belonging to a Kurdish fighter killed in Raqqa has sparked outrage as Damascus moves to assert control in