Carson blamed the mishap on back-stage audio problems.
Trump has 33 percent of support of likely Republican primary voters.
Candidates are hoping to make a final impression just days before New Hampshire votes.
Four key storylines, from the return of Trump to the "dirty tricks" debate.
The movie star and former California governor appeared in a telephone town hall with Kasich.
The Ohio governor engaged in winter warfare after a town hall in Hillis, N.H.
Kasich also considers a performance by the rock band his favorite concert.
Donald Trump dominated the Republican debate in his absence Thursday night.
Trump is 14 points ahead of Kasich in a new poll.
The campaign allegedly made automated calls to a man on the federal “do not call” list.
Trump and Cruz are skeptical of the science behind climate change.
The Ohio governor got 20 percent support in a Granite State poll released Tuesday.
"There's nobody who's balanced as many budgets as I have," he said.
They slammed him on foreign policy, immigration and infrastructure.
Kasich is considered to be running one of the more moderate campaigns in the GOP race.
Jeb Bush, John Kasich and Chris Christie are fighting to keep their campaigns alive.
"I'd be worse than Biden," the Republican presidential candidate said.
New Hampshire edition: Rubio surges in N.H. poll; Trump drops in national; Carson cuts staff.
Trump's stinging loss in the Iowa caucuses robbed him of his sense of momentum.
Ohio Gov. John Kasich's recent rise in New Hampshire polls has brought on a well-funded “dark money...
The GOP candidate also won the backing of the Concord Monitor.
"I'm very positive about the future of our country," he said.
The Ohio governor is pinning his hopes on the Granite State.
So far, only a few Republican presidential candidates back Obama's agreement.