Bernie Sanders

She could pose a real threat.

"We’re still mildly hopeful here in New Hampshire."

"Bloomberg won two write-in votes out of a total of the four votes cast."

"The whole world will be looking here at New Hampshire."

"It is a necessary part of making sure Iowans can trust the final results of the caucus."

"We’re just getting going.”

Here are highlights from Sunday's campaigning and a look ahead to Monday.

"I think it’s going to be incredibly more difficult."

Sanders leans heavily on this fervent core of supporters for donations and for canvassing voters, an approach summed up by his slogan "Not me, us."

"The Iowa Democratic Party runs the caucus, okay?"

"I don’t want to commit."

"I want to make sure every Iowa voter knows that their vote was counted."

Sanders raised $25 million in January.

"This isn't the first time in my life I've been knocked down."

Buttigieg held a narrow lead.

"Nothing works, just like they ran the Country."

"I am absolutely not running for President."

Iowa is the first test in the state-by-state battle to pick a Democratic nominee to face Trump in the Nov. 3 presidential election.

"The president in very good shape in all of these states."

"I'll boo. Boo."