Trump's Greenland deal a 'great diplomatic win' for US, 'good' for NATO alliance, expert says

National security analyst Rebecca Heinrichs joins 'Varney & Co.' to discuss the historic US, Denmark, and Greenland security deal. She highlights how the agreement secures key missile defense capabilities and boxes out China and Russia.

The Greenland security deal signed today by the United States, Denmark, and Greenland represents a major diplomatic win for President Donald Trump. National security analyst Rebecca Heinrichs joins 'Varney & Co' host Stuart Varney to explain the strategic military importance of the Arctic region. She emphasizes the need for enhanced missile defense capabilities and outlines how the agreement effectively blocks Chinese and Russian investments in critical rare earth mining.