A change in U.S. posture, following its military operation last weekend in Venezuela, as President Trumps talks about selling Venezuela's oil and the U.S. taking control of Greenland.
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Sacha Pfeiffer
Sacha Pfeiffer is a correspondent for NPR's Investigations team and an occasional guest host for some of NPR's national shows.
Mara Liasson is a national political correspondent for NPR. Her reports can be heard regularly on NPR's award-winning newsmagazine programs Morning Edition and All Things Considered. Liasson provides extensive coverage of politics and policy from Washington, DC — focusing on the White House and Congress — and also reports on political trends beyond the Beltway.
