From molybdenum to lithium, modern life depends on chemicals. But what the U.S. mines is rarely processed here. We'll get perspective on how mining could change under the Trump administration amid rare bipartisan agreement. Then, it's crunch time for state lawmakers as the session reaches the halfway point; Purplish looks at the big issues that still need to be resolved, including a balanced budget. Plus, it's a buyer's market in metro Denver.