U.S. senators will push ahead with Iran sanctions bill

By Patricia Zengerle WASHINGTON (Reuters) - The sponsors of a bill to impose new sanctions on Iran if there is no agreement on its nuclear program by July said on Friday they would push ahead with the legislation, despite warnings that it could torpedo international negotiations. "All I'm saying is let us put in prospective sanctions that don't get imposed... until July," Democratic U.S. Senator Robert Menendez said at a news conference in his home state of New Jersey. He was