The key lines from Trump's news conference

Hours after the imposition of US naval blockade on maritime traffic to and from Iranian ports, Trump held an unscheduled news conference outside the White House. Iran was one of several topics he covered. Here are the key bits: On Iran Trump said Iranian leaders want to make a deal, and he had received calls from "the appropriate people" this morning. He said he was "sure" the Iranians would agree. He also said the blockade was ordered to stop Iran "blackmailing the worl