WASHINGTON (Reuters) – The U.S. House of Representatives voted overwhelmingly on Friday for a resolution that would bar President Barack Obama from sending U.S. troops for any “sustained combat role” in Iraq without congressional authorization. The House adopted the resolution by a vote of 370-40, reflecting the strong desire by both Republicans and Democrats in the chamber that the White House not act in Iraq without Congress’ backing, although it was a largely symbolic vote. To be enacted, the measure would require backing by the U.S.