RBC I U.S. Sen. Martin Heinrich, D-New Mexico, was hunting Barbary sheep in the southeastern part of his state a few weeks ago, and had a stark reminder of a problem he’s trying to fix with a bipartisan sportsmen’s bill.
He and his friends had finished hunting one swath of public land and scanned a BLM map for the kind of terrain the sheep like—rough arid landscapes like that of their native North Africa, with…



