Presidential candidates Mike Huckabee, a Republican, and Barack Obama, a Democrat, win decisive victories in the Iowa caucuses. Obama won by a nine-point margin over John Edwards and Hillary Clinton. Huckabee beat Mitt Romney.
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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.