Obama says it will take 'some time' but IS will lose

London, Feb 12 (ANI): United States President Barack Obama has said that the Islamic State (IS) will lose as he asked Congress to authorize use of military force to take on the terror outfit. Flanked by the Vice-President Joe Biden, and the U.S. secretaries of state and defence at the White House, Obama said that he was convinced that the U.S. should not get dragged into another prolonged was in the Middle East but added that fighting IS would take "some time." However, he added that this is did