ELECTION 2016

A Senate panel is investigating whether the Texas senator revealed classified information during the televised GOP debate in Las Vegas.

Democrats hope Buffett will put more money behind Hillary Clinton's campaign; but in the past, he has spoken against super PACs and the influence of money in politics.

Kentucky Sen. Rand Paul's assertion during Tuesday's GOP debate — that all terrorist attacks since 9/11 were the result of legal immigration — is false.

“We need to recognize that technology has moved on,” said former Hewlett-Packard CEO Carly Fiorina on stage at the CNN-Facebook debate Tuesday.

Businessman Donald Trump and Texas Sen. Ted Cruz, already leading in the polls, gave two of the stronger performances of the night, according to pundits.

Tuesday's Republican debate, hyped as a pro wrestling-style showdown, delivered on fractious close encounters.

Some Republicans saw the removal of Iraq's Saddam Hussein as a necessary step, while others said the U.S. should have focused on its own problems.

Sens. Ted Cruz and Marco Rubio were split on whether their positions were similar. Cruz denied any commonalities, while Rubio argued they both backed a path to citizenship. 

Struggling in the polls, the former HP boss relied Tuesday night on a strategy that worked in previous GOP debates -- criticize the Democratic front-runner.

Tensions ran high during Tuesday's face-off as Republican hopefuls shared their plans for protecting the nation from terrorism.

On Tuesday, the Florida senator faced fire from Sen. Rand Paul, who charged that Rubio's positions were more in line with liberals than conservatives.

During Tuesday's debate, Ben Carson insisted that his background as a physician would be no obstacle in ordering military action as U.S. commander in chief.

The former Florida governor called Trump a "chaos candidate," while the businessman called Bush's campaign "a total disaster."

Many GOP voters agree with Donald Trump's plan for a “total and complete shutdown of Muslims entering the United States," a poll shows.

The fifth face-off of the party's presidential candidates was expected to focus heavily on terrorism. Click here for updates throughout the evening.

Islam is both a religion and a form of government, the former U.S. senator from Pennsylvania argued during Tuesday's "undercard" Republican debate.

"Princess Buttercup would not like this," the U.S. senator from South Carolina said, referring to a character from his GOP rival's favorite film.

During Tuesday's GOP "undercard" debate, the former governor of New York characterized Russia's president as a bully who needed to be put in his place.

At Tuesday's event in Las Vegas, both Republican candidates slammed Donald Trump's Muslim ban proposal, but differed on how to fight terrorism.

The first Republican debate in 2016 will take place in North Charleston, South Carolina, just weeks before the Iowa caucus.

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