The Latest: Trump builds delegate lead on Super Tuesday
The Democratic contests award delegates in proportion to the vote, meaning that even the loser wins some.
Votes are still being tallied to determine the final margins of victory in several states.
Donald Trump has won the Republican presidential primary in Vermont, claiming his latest victory in the string of nomination contests known as Super Tuesday.
With 91 delegates at stake, the two candidates are on track to split spoils in that state fairly evenly.
Florida Sen. Marco Rubio has won the Republican presidential caucuses in Minnesota, earning his first victory in the 2016 race for the White House.
Rubio won second place in Nevada and South Carolina but still trails rivals Donald Trump and fellow Sen. Ted Cruz in the much-needed delegates needed to win his party's nomination.
[...] Rubio has won overwhelming support from members of Congress and governors who see him as the most viable alternative to the billionaire businessman, who holds a commanding lead in delegates a month into the contest.
Bernie Sanders won the Minnesota Democratic caucus, claiming his third victory in the string of contests known as Super Tuesday.
Sanders had also claimed a victory in the New Hampshire primary last month but trails Clinton in the delegate chase.
Republican South Carolina Sen. Lindsey Graham says the only way to stop Donald Trump from becoming the GOP nominee and winning the general election may be to rally behind Texas Sen. Ted Cruz.
"Ted Cruz is not my favorite by any means," Graham, a former candidate, told CBS News on Super Tuesday, when a dozen states held contests to choose party nominees.
Graham called both Trump and Democratic front-runner Hillary Clinton "crazy" and said the Republican party is bound to lose to Clinton if an alternative to Trump is not found.
Retired neurosurgeon Ben Carson told a crowded banquet hall at a hotel in downtown Baltimore that he's not giving up, despite trailing behind all the other Republican candidates on Super Tuesday.
Carson took the stage Tuesday at the Grand Hotel in Baltimore and called the political system "rotten to the core."
Ted Cruz, who won Oklahoma and his home state of Texas, is calling for some of his Republican rivals to drop out.
Though he did not mention Marco Rubio or John Kasich by name, he made it clear that he felt they should drop out so Republicans could consolidate around him as a viable alternative to Trump.
Speaking earlier Tuesday in Florida, Trump insisted that he has "expanded the Republican party," claiming that he is responsible for higher voter turnout in the primary states.
Republican presidential front-runner Donald Trump is insisting that he has "expanded the Republican party," claiming that he is responsible for higher voter turnout in the primary states.
Despite heightened efforts by the GOP establishment to stop him, Trump says he is "a unifier" who soon wanted to put internal Republican squabbles behind him to focus on Hillary Clinton.
Cruz is holding a party at the "Red Neck Country Club" honkytonk outside his hometown of Houston, where cowboy boots are the preferred footwear.
The first-term senator has won the contests in Texas and Oklahoma but he is lagging behind Trump overall.
Trump, who has a commanding lead in delegates, mocked Marco Rubio for "having a tough night" because he did not win any states.
[...] he said that Clinton's call earlier in the night to "make America whole again" — itself a rebuttal to Trump's "Make America Great Again" rallying cry — was an inferior slogan.
The billionaire businessman will be holding a news conference late Tuesday to thank supporters in what has thus far been a strong night for the GOP front-runner in the Super Tuesday contests.
Reporters have been gathered for hours in a Versailles-worthy room at his sprawling Mar-a-Lago estate in West Palm Beach, adorned with gold-leaf detailing, columns, and three enormous crystal chandeliers.
The Democratic contests award delegates based on the proportion to the vote, so even the loser receives some.
Rubio has yet to win a state, but his upbeat speech was full of promises to continue fighting and vowing to win his home state of Florida later this month.
Cruz topped his rivals in Oklahoma, having just won in his home state of Texas.
Republican front-runner Donald Trump has already won the Republican races in Georgia, Virginia, Alabama, Massachusetts and Tennessee.
Hillary Clinton, triumphant in several states on during a string of primaries known as Super Tuesday, turned her attention during her victory rally toward her possible Republican opponents.
Clinton has opened up a commanding lead in delegates thanks in part to her wins Tuesday in Georgia, Virginia, Arkansas, Alabama, Tennessee and Texas.
Republican Sen. Ted Cruz and Democrat Hillary Clinton have won the presidential primaries in Texas.