marco rubio

"There's no question that the decisions that were made were made to benefit the two main Florida sons -- Bush and Rubio," said Joe Gruters, vice chair of the Republican Party of Florida and co-chair of Trump's Florida campaign. "I'm sure they weren't expecting the Trump movement to be so strong. This is exactly the opposite of what they wanted.

Nine months after Donald Trump became a presidential candidate, his rivals are still searching for a formula to stop his improbable political rise.

Anxious Republican officials are coming to terms with the idea that their second least favorite GOP presidential candidate — polarizing Texas conservative Ted Cruz — may be the party's best last chance to stop Donald Trump.

Should he succeed, Kasich would deprive Donald Trump of the 66 winner-take-all delegates, slowing the businessman's path toward clinching the GOP nomination outright.

Bernie Sanders breathed new life into his longshot White House bid with a crucial win in Michigan's primary Tuesday night, chipping away at Hillary Clinton's dominance in the Democratic presidential race. Republican Donald Trump swept to victory in Michigan, Mississippi and Hawaii, overcoming fierce efforts to blunt his momentum.

Just when Republican presidential candidate Marco Rubio needs them the most, big-dollar contributors from the party's wealthy main stream are having second thoughts about his future in the 2016 race.

The Florida senator has struggled to reconnect with the kind of voters who sent him to Capitol Hill six years ago as a tea party favorite, instead watching them fuel Trump and his closest challenger to winning the GOP presidential nomination, Texas Sen. Ted Cruz.

In a split decision, Ted Cruz and Donald Trump each captured two victories in Saturday's four-state round of voting, fresh evidence that there's no quick end in sight to the fractious GOP race for president. On the Democratic side, Bernie Sanders notched wins in Nebraska and Kansas, while front-runner Hillary Clinton snagged Louisiana, another divided verdict from the American people.

Five more states are chipping in verdicts on the Republican and Democratic presidential contests in races largely overshadowed by Super Tuesday and the big contests still to come.

Former Republican presidential nominee Mitt Romney charged into the increasingly divisive 2016 GOP White House sweepstakes Thursday with a harsh takedown of front-runner Donald Trump, calling him a "phony" and exhorting fellow Republicans to shun him for the good of the country and party.