U.S. to issue new Iran sanctions, opening shot in get-tough strategy: sources

By Arshad Mohammed, Matt Spetalnick and Jonathan Landay WASHINGTON (Reuters) - U.S. President Donald Trump is poised to impose new sanctions on multiple Iranian entities, seeking to ratchet up pressure on Tehran while crafting a broader strategy to counter what he sees as its destabilizing behavior, people familiar with the matter said on Thursday. In the first tangible action against Iran since Trump took office on Jan. 20, the administration, on the same day he insisted that "nothing is off th