Rubio fourth in new national poll
NBC News/Wall Street Journal poll conducted after former Gov. Mitt Romney’s anti-Trump speech and Thursday’s party debate:
Donald Trump - 30 percent
Ted Cruz - 27 percent
John Kasich - 22 percent
Marco Rubio - 20 percent
Hypotheticals: "Cruz and Kasich best Trump by an identical 17 points, 57 percent to 40 percent, while Rubio beats Trump by 13 points, 56 percent to 43 percent."