The thought of McConnell agonizing over whether or not to endorse Trump, the GOP's unquestioned leader, has an element of humor in it.

“We win Michigan, we win the whole thing,” Trump told supporters, adding the results were better than he expected.

Convicting former President Donald Trump on the charges against him might not have the impact that Democrats want, a new poll says.

South Carolina showcased Trump's dominance, Haley's odd behavior and the GOP electorate's continued loathing of a desperate establishment.

Nikki Haley's loss in South Carolina's GOP primary was so severe Saturday, she even failed to win her home county.

Securing the endorsement puts Trump closer to clinching the GOP nomination and perhaps seeing more Republicans coalesce around him.

One of Nikki Haley's prime sources of campaign cash for her Republican presidential nomination race has just dried up.

"The R.N.C. has historically undergone change once we have a nominee, and it has always been my intention to honor that tradition."

After losing in a rout in to Donald Trump in her home state's primary on Saturday, Haley is coming to a major decision point.

They would much rather be writing Donald Trump's political obituary than explaining why he still dominates American politics.