Super Tuesday solidified Senator John McCain's "front runner" status for the Republican Nomination but Mike Huckabee and Representative Ron Paul remain in the race. And no clear "front runner" emerged for the Democrats. One week after Super Tuesday, voters in Maryland, Virginia and the District of Columbia will go to the polls; their votes may force some candidates to leave the race and possibly anoint either Senator Hillary Clinton or Senator Barack Obama as the leading contender for the Democratic ticket.

NPR News will offer live, anchored coverage of the Potomac Primaries 10 PM ET, Tuesday, February 12. NPR's Melissa Block and Michele Norris will host this special.

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