Obama could accept revised bill on Iran nuclear vote: White House

By Patricia Zengerle WASHINGTON (Reuters) - U.S. President Barack Obama said on Tuesday he could accept a revised bipartisan bill on Iran's nuclear agreement after leaders of the U.S. Senate Foreign Relations Committee reached agreement on revisions that would allow Congress to vote on it. White House spokesman Josh Earnest said Obama, who earlier had said he would veto the proposed bill because he feared it would scuttle the emerging Iran deal, could accept compromises that have emerged an