Donald Trump wins Mississippi, Michigan; Cruz wins Idaho
Four states held GOP nominating contests on Tuesday night. Trump, Cruz, Kasich and Rubio fought for the 150 delegates at stake
Marco Rubio
Rubio dismisses drop-out rumors in Florida
Amid rumors that he might end his campaign before next week's Florida primary, the freshman senator insists a vote for Kasich or Cruz is really a vote for Trump.
Portland man creates "Trump Has Tiny Hands" PAC
The PAC comes after Donald Trump and Marco Rubio engaged in personal attacks over the size of Trump's hands
Mitt Romney records robocall for Marco Rubio, John Kasich
A spokesperson told CBS News that Romney has also offered to help John Kasich and Ted Cruz
How does a contested convention work?
There's been a lot of talk about what happens if no Republican has enough delegates to win the nomination outright--here's how it would work
Does Donald Trump deserve all the credit for remaking the GOP?
The Republican race so far by the numbers
Trump and Cruz eye one-on-one battle for GOP nomination
Cruz is working to line up several Republican Senate endorsements, an ironic twist for a candidate who has run an anti-establishment campaign
What does Trump U.'s BBB rating really mean?
Whether Donald Trump's educational business earned an A, as he he claims, or a D- may be irrelevant
Marco Rubio wins Puerto Rico's Republican primary
A very large portion of those registered to vote in Puerto Rico are the island's inmates, who will help decide where its 23 delegates go
Ted Cruz says he doesn't want a contested convention
Texas senator dismissed cries of the "establishment" on "Face the Nation," insisting on Trump: "you have to beat him at the ballot box"
Poll: Trump, Clinton lead in Michigan
CBS News survey of Republican primary voters say they're less likely to vote for any establishment candidates ahead of Tuesday's vote
Trump calls for Rubio to drop presidential bid
Trump and Cruz each won two states in Saturday's nomination contests. Rubio won none.
Donald Trump ekes out victory in Louisiana GOP primary
Earlier in the evening, Donald Trump was 25 points ahead
Trump wins in Kentucky Republican caucus
Kentucky will award 46 delegates in the Republican primary race
Cruz wins Kansas GOP caucus, urges rivals to drop out
Kansas awarding 40 delegates in the Republican primary race
Cruz edges out Trump for Maine Republican caucus win
Maine will award 23 delegates in the Republican primary race
GOP contests expected to add tension to heated race
Donald Trump seeks to take control of Republican Party as rift with establishment continues to grow
Quiz: Have you been following the news this week? March 4 edition
It was a raucous week on the campaign trail, but there were big developments elsewhere as well - take our quiz and see how closely you've paid attention
2016 Diary, March 4: GOP debate slides into the gutter
Amid the insults and vulgarity, Ohio Gov. John Kasich seemed like the adult in the room, but will voters care?
Who won the Republican debate Thursday night?
John Dickerson: I asked Twitter, if they could show their kids the answers of only one candidate, which one would it be?
Schools say 2016 campaign insults conflict with no-bullies policies
Donald Trump rally at Iowa school sparked protest from some students who cited their own anti-bullying rules in trying to stop it
Gov. Rick Scott won't endorse before Florida primary
He's faced pressure to back a candidate, especially since Rubio is from Florida. Scott announced his decision in a Facebook post
GOP debate: Trump dominates social media conversation
The GOP front-runner and real estate mogul accounted for 74 percent of Google searches during debate time
6 Things to watch for in tonight's Republican debate
The debate comes two days after Trump expanded his delegate lead on Super Tuesday
Live blog: GOP candidates debate in Detroit
The four remaining candidates—Donald Trump, Ted Cruz, Marco Rubio and John Kasich—face off for the first time after Trump's Super Tuesday victories
Trump calls off plan to livestream Fort Hood shooter's execution
Feds probing suspicious letters to election officials, lawmakers
Live
Strait of Hormuz still unsafe for ships, maritime group warns
Chats from Nolan Wells' phone show what friends said when he vanished
U.S. banks dropped customers over political views, regulator says
Trump invokes executive privilege in Kennedy Center legal fight
Cornell Greek life should end if found unsafe, school president says
Talarico announces record-breaking $64 million fundraising haul
