Trump's Lead Grows

NBC News:
The political headline of the morning is that Donald Trump is now leading the Republican presidential field by 20 points, according to a new CNN poll. Trump stands at 36% in the poll (up 9 points since October), while Ted Cruz is at 16% (up 12), Ben Carson at 14% (down 8), Marco Rubio at 12% (up 4), Chris Christie at 4% (unchanged), and at Jeb Bush 3% (down 5). It's Trump's biggest lead in any live-telephone national poll. And here's the thing: He's likely to only get stronger, given t