Donald Trump

Saying Ted Cruz won through dirty tactics by spreading false rumors that Ben Carson was dropping out, Donald Trump threatened to contest the results after he placed second in the Iowa caucuses.

Hillary Clinton has won the Iowa Democratic caucuses, according to the Iowa Democratic Party. On the Republican side, Ted Cruz upended Donald Trump, while Marco Rubio finished a strong third.

Some wealthy conservative donors, including Las Vegas billionaire Sheldon Adelson, haven't put their money behind any candidate yet while Democratic donors have lined up behind Hillary Clinton.

With the caucuses only a day away, Iowa's conservative Christians try to feel out which candidate shares their views.

Trump has inspired strong feelings among religious conservatives. Some see him as a fighter. One prominent leader called him a visionary. Others see him as a "train wreck" who's paying lip service.

The latest Iowa Poll shows a much closer race between Trump and Cruz if evangelical voters turn out at the same level they did four years ago.

The Des Moines Register/Bloomberg poll, considered the "gold standard" of Iowa surveys finds Clinton ahead of Bernie Sanders but within the margin of error. Donald Trump leads Ted Cruz by 5.

In Donald Trump's ongoing feud with Megyn Kelly, her looks and attire appeared to matter for some just as much as, if not more than, her mind.

Campaigning in New Hampshire, he takes more swipes at rival Ted Cruz's eligibility to be president, calling him "an anchor baby in Canada."

There's a big elephant not in the room ahead of tonight's Fox News Iowa Republican debate: Donald Trump.