Trump atop GOP field in Georgia, Tennessee ahead of Super Tuesday

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Three new NBC News/Wall Street Journal/Marist polls show GOP front-runner Donald TrumpDonald TrumpLocal leaders turning the heat up on Citizens United WATCH LIVE: Trump speaks at third Ohio rally Picking longtime fixer as chief of staff proves Clinton hasn't changed MORE leading in Georgia and Tennessee ahead of votes in those states on Super Tuesday.

Sen. Ted CruzTed CruzDemocrats pounce on Cruz's Supreme Court comments Brent Budowsky: An epic battle for the future of Congress Cruz: Precedent exists for keeping Supreme Court short-staffed MORE, however, is atop the GOP field in his home state of Texas.

Trump has 30 percent support among likely Republican voters in Georgia, followed by Cruz and Sen. Marco RubioMarco RubioObama plans 'aggressive' blitz for Clinton in campaign's final days One way or another, 2016 was all about Donald Trump's hands Poll: Clinton has 4-point lead over Trump in Florida MORE (Fla.) with 23 points apiece. No other GOP candidate has more than 10 percent support.

Trump has 40 percent in Tennessee, pollsters found, where he is trailed by Cruz with 22 percent and Rubio with 19 percent.

Cruz, however, has 39 percent support in his home state of Texas. He is followed by Trump at 26 percent and Rubio at 16 percent.

Pollsters questioned likely Republican voters between Feb. 18 and 25, before the latest GOP debate. The margin of error is 4.2 percent in Georgia, 3.8 percent in Tennessee and 4.2 percent in Texas.