Don Gonyea

When the N.J. governor dropped out of the GOP presidential race, he endorsed Donald Trump. Thursday night, Trump returned the favor by raising money to pay off the Christie campaign's remaining debt.

Donald Trump held his first campaign event since being assured of the GOP presidential nomination. He held a rally in West Virginia coal country on Thursday. The state holds its primary on Tuesday.

Apparent Republican nominee Donald Trump visits West Virginia Thursday, where he is expected to appeal to the area's coal ties.

Donald Trump once had 16 opponents in the Republican presidential race. With John Kasich's exit on Wednesday, Trump stands alone as the apparent GOP nominee.

Ohio Gov. John Kasich, the final remaining opponent to Donald Trump in the GOP presidential race, is expected to drop his bid Wednesday. That makes Donald Trump the apparent Republican nominee.

The Ohio governor has suspended his presidential campaign, leaving Donald Trump as the last man standing. Kasich won one state — his home state — and trails far behind in the delegate count.

The last polls in Indiana have closed, and Donald Trump is projected to win the GOP primary. On the Democratic side, the race between Bernie Sanders and Hillary Clinton is still too close to call.

Republican Ted Cruz has put it all on the line in Tuesday's Indiana primary, making it a proving ground for efforts to stop Donald Trump from clinching the GOP nomination.

Tuesday's Indiana primary could make it clear whether Donald Trump is on the path to clinching the GOP presidential nomination — or on his way to a contested convention.

This week's primary in Indiana has become a do-or-die test for the #StopTrump movement and the campaign of Sen. Ted Cruz. Donald Trump hopes a big victory for him will settle the Republican race.

Tuesday's GOP primary in Indiana could be the last stand for #NeverTrump, a movement devoted to keeping Donald Trump from becoming the Republican nominee.

Ted Cruz announced Wednesday that he is picking former rival Carly Fiorina as his running mate. It's a last-ditch move designed to shake up the GOP primary race in which he badly trails Donald Trump.

With Donald Trump dominating the GOP presidential race, moderate Republican voters are left without a strong option on the ballot. Many are backing John Kasich in next week's Pennsylvania primary.

The presidential race heads next to Pennsylvania, Delaware, Maryland, Connecticut and Rhode Island. Those states vote on Tuesday, and look favorable to front-runners Hillary Clinton and Donald Trump.

The Democratic presidential hopeful said it was worth it to take time away from the campaign trail to attend a Vatican conference on social and economic justice.

Metropolitan New York City will get most of the attention in New York state's upcoming presidential primary. But Hillary Clinton is hoping that her longtime relationship with voters upstate pays off.

Donald Trump is looking to rebound from a big loss in Wisconsin with a big win in his home state of New York, where many voters near the Great Lakes have seen job losses in manufacturing.

Trump demands that Mexico pay up to $10 billion or risk the cutting off of wire transfers from the U.S. to Mexico and a cancellation of business and tourist visas for Mexican citizens.

It will be April 14 at 9 p.m. in New York, on CNN. Both campaigns had said there would be a debate before the important New York primary in two weeks, but they had a hard time agreeing on the details.

Ted Cruz is looking to defeat Donald Trump and pick up a cache of delegates in Wisconsin's primary. Polls show Cruz's support has grown significantly over the past month, giving him a lead over Trump.