Candidates make final pitches before the caucuses begin in Iowa

In TV interviews and in-person appearances, candidates are telling Iowa voters to go and caucus tonight

• Feb 1, 2016

Best photos of campaign 2016

The best photos of Election 2016

• Feb 1, 2016
• 65 photos

First-time Iowa caucus goers critical for Trump, Sanders

A final poll found Trump leads the GOP field in Iowa and Sanders leads among Democrats

• Feb 1, 2016

Bernie Sanders promises to fight to the convention

"We are in this for the long haul," the Democratic presidential candidate said

• Feb 1, 2016

Emails: Clinton aides sought non-State Department PC

The computer would allow her to check her emails at work on a non-State Department computer network

• Feb 1, 2016

A crash course on the candidates

As campaign 2016 picks up steam, here's a crash course on the men and women running for president

• Feb 1, 2016
• 27 photos

Martin O'Malley took out loan to keep campaign afloat

It was a $500,000 loan from Amalgamated Bank in December

• Feb 1, 2016

The Iowa caucuses: Who will win?

Turnout is likely to be the key to the caucuses -- some candidates will benefit from lower turnout. Here's a look at the state of the race

• Feb 1, 2016

Clinton on Iowa caucus day: A "bit scarred up," but still standing

The Democratic candidate says she's "pumped up and enthusiastic" about her campaign, as she leads rival Bernie Sanders by three points in latest Iowa polls

• Feb 1, 2016

Who's winning the Facebook primary?

Which candidates are dominating online chatter ahead of the Iowa caucuses?

• Feb 1, 2016

Democrats to appear at extra debate before New Hampshire primary

The debate will be hosted by MSNBC and the New Hampshire Union Leader, the state's largest newspaper

• Jan 31, 2016

Iowa caucus night from the perspective of the precinct captains

Julie Stauch, a veteran of several Iowa caucuses, invited CBS News to watch her walk new Clinton precinct captains through caucus night

• Jan 31, 2016

​Final poll shows tight races ahead of Iowa caucuses

Candidates crisscross Hawkeye State to secure support before crucial first-in-the-nation vote on Monday

• Jan 30, 2016

Bernie Sanders, Hillary Clinton campaigns agree to more debates

The candidates are still in negotiations over the time and place for the additional forums

• Jan 30, 2016

These candidates just got endorsed by the New York Times

And the newspaper's endorsements go to...

• Jan 30, 2016

Hillary Clinton in damage control over latest email revelation

State Department says 22 messages on former secretary of state's private email server have been upgraded to "top secret"

• Jan 30, 2016

Clinton focuses on gun violence ahead of Iowa caucuses

Gabby Giffords, Mark Kelly to join Clinton at campaign event in Ames

• Jan 30, 2016

22 "top secret" Hillary Clinton emails won't be released

Clinton campaign spokesman says withholding the emails is "overclassification run amok"

• Jan 29, 2016

Hillary Clinton: Single-payer health care will "never, ever" happen

The Democratic candidate stresses to Iowa voters that Bernie Sanders' health care plan is unrealistic

• Jan 29, 2016

Elizabeth Warren slams corporate wrist-slapping

As Iowa vote looms, the liberal senator laments 20 cases in 2015 where she says executives got off way too easy

• Jan 29, 2016

Could Obama's next job be on the Supreme Court?

Hillary Clinton was asked this week whether she'd consider nominating him to the high court

• Jan 28, 2016

Washington Post calls Sanders' campaign "fiction-filled"

The paper questioned what it called Sanders' "fiction-filled campaign"

• Jan 28, 2016

Poll: Trump leads in early states; Clinton, Sanders in close race

Trump pulls ahead of Cruz in Iowa, while Clinton and Sanders are locked in a virtual dead heat in the early nominating state

• Jan 28, 2016

Hillary Clinton and Bernie Sanders debate over debates

They both say they want more debates but differ on how to add them

• Jan 28, 2016

How the Iowa caucuses work

The first official contest of the 2016 presidential election is far from a traditional primary

• Jan 28, 2016

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