Jeremy Hansen, Artemis II astronaut, is leaving the Canadian Space Agency

WASHINGTON, D.C. — While Canadians have been focused on Donald Trump’s hounding them about becoming the “51st state” and squeezing their cross-border trade, the U.S. president has been quietly fiddling around with the rules for waters along the Canada-U.S. border. In late April, the president signed House Joint Resolution 140 into law, rolling back a Biden-era mining moratorium on more than 200,000 acres of U.S. federal lands near the Boundary Waters watershed in Minnesota that drains into Canadian waters. Proponents are keen for the development of minerals and geothermal energy in...