"He's a good guy but he is not ready to be president of the United States."
Sixty-six percent of likely Democratic primary voters say they think Sanders will win.
“The difference is, I can do something about it."
Trump has 33 percent of support of likely Republican primary voters.
"The issue here is not just experience, the issue is judgment," he said.
The debate will come two days before primaries in Michigan and Mississippi.
Niall Stanage 02/07/16 12:53 AM EST
This was the last debate before New Hampshire's primary on Tuesday.
Jonathan Easley 02/06/16 11:22 PM EST
Jeb Bush, Chris Christie and John Kasich are all jockeying to stay in the race.
They slammed him on foreign policy, immigration and infrastructure.
After picking Denver last week, he picked Carolina during the debate.