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
Ted Cruz
Donald Trump: I'm beating Ted Cruz in Iowa because of citizenship woes
The Republican presidential candidate attributes his lead over Cruz to his rival's ties to Wall Street and the questions over his Canadian birth
Top moments from the GOP debate in Iowa
Cruz threatens to leave the debate, Christie bashes senators, and Carson said what about Putin?
Fact check: Cruz hasn't insulted Trump personally?
Cruz claimed at the debate that hasn't engaged in personal attacks against Trump
On social media, Trump cast a shadow over the debate
The businessman skipped the debate over a feud with the network, but his presence dominated searches
With Trump off stage, debate scrutiny falls on Cruz and Rubio
With the attention-grabbing front runner out of the way, Cruz and Rubio were in the spotlight Thursday night -- and started to sweat a bit
Republicans focus on Trump, then each other, at debate
Follow along with CBS News' live blog of the final debate before the Iowa caucuses
Rivals mock Donald Trump in first minutes of GOP debate
Ted Cruz does a Trump impersonation, and Jeb Bush says he misses the GOP front-runner
7th Republican debate
The Republican candidates - minus Trump - meet for a final debate ahead of the Iowa caucuses
Poll: Donald Trump leads NH, with a four-way tie for second
Trump's lead has increased, and three of the four in second have seen their numbers rise
How the Iowa caucuses work
The first official contest of the 2016 presidential election is far from a traditional primary
Ted Cruz's campaign sells Donald Trump hat; Jeb Bush's bet; John Kasich on NH prospects
Quotes of the day from the 2016 presidential candidates on the campaign trail
Ted Cruz and super PAC make another pitch to Donald Trump for debate
Cruz's super PAC is offering cash to debate, and Carly Fiorina offered even more to join the debate
Poll: Turnout key to whether Cruz or Trump wins Iowa
A Monmouth University poll has Trump in the lead - but low turnout could cut into his success
Ted Cruz grabs another prominent conservative endorsement
Tony Perkins, president of the Family Research Council, gave the nod to Texas Sen. Ted Cruz during a Fox News interview
GOP senator to campaign in Iowa against Donald Trump
Ben Sasse said he would appear along with Marco Rubio and Ted Cruz
Ted Cruz challenges Donald Trump to one-on-one debate
Cruz's bold debate challenge comes after Trump's latest move -- opting out of Thursday's official debate -- threatens to dominate another news cycle
Teenage Ted Cruz plans "world domination"
A video on YouTube shows a young Cruz talking about his aspirations after graduating high school
Donald Trump leads Ted Cruz in two new national polls
The billionaire's margin exceeds twenty points in both polls released Tuesday
GOP voters: Cruz's birthplace not a serious issue
The latest CBS News Battleground Tracker looked at what voters think about one attack Donald Trump is firing at his GOP rival
Poll: Donald Trump, Ted Cruz in a virtual tie in Iowa
The Iowa caucuses are scheduled for next Monday, Feb. 1
New Ted Cruz ad attacks Donald Trump's "New York values"
The Texas senator doubles down on his controversial line of attack against GOP front runner Donald Trump
Cruz super PAC goes after Trump on abortion
Keep the Promise I is unveiling two direct hits against the businessman
Billionaire donors aided Ted Cruz's rise in 2016 race
Four of America's wealthiest businessmen helped Cruz's campaign
Rick Perry endorses Ted Cruz
The former Texas governor's endorsement played up his experience serving in the military
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