The Trump administration needs to strike multiple deals with U.S. miners to secure the nation's supply chain against China, said Mark Chalmers, CEO of Energy Fuels, a miner focused on uranium and rare earth minerals.The Pentagon decision to take an equity stake in MP Materials, the largest U.S. rare earth miner, in July and support the company with a price floor surprised many in the industry, Chalmers told CNBC.But it was a necessary step that the White House should now follow with more deals to diversify ...