A group of bipartisan lawmakers introduced legislation to block President Donald Trump from invading a NATO country or territory, including Greenland.

NATO is talking about improved Arctic security, says the alliance's secretary general. Some of those talks reportedly involve a European troop presence in Greenland. It's a remarkable turnaround for an alliance that has until recently tried to ignore the region.

The senator's comments come after President Donald Trump said the U.S. would "do something on Greenland, whether they like it or not."

Trump’s threat to annex an autonomous part of Denmark has plunged NATO into an unprecedented situation: An alliance based on collective defense now faces the prospect that one member might attack another.

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US Secretary of State Mario Rubio is set to host his Danish and Greenlandic counterparts in Washington on Wednesday. Confronted with Donald Trump's declared ambitions, European members of NATO have sought to defuse the crisis and emphasize their commitment to Arctic security.

Sens. Thom Tillis of North Carolina and Lisa Murkowski of Alaska quickly answered the question Monday of whether any Republicans would push back on the Justice Department's criminal probe of Fed Chair Jay Powell. Dina Powell McCormick is a banking executive who served on Meta's board for eight months in 2025.