U.S. remains opposed to cooperating with Iran against Islamic State: White House

WASHINGTON (Reuters) - The White House reiterated U.S. policy against cooperating with Iran in the fight against Islamic State on Wednesday in the wake of Iranian air strikes in Iraq. "At this point our calculation about the wisdom of cooperating with the Iranians hasn't changed. We're not going to do it," said White House spokesman Josh Earnest. (Reporting By Steve Holland; Editing by Doina Chiacu)