The Latest: Black protesters disrupt Clinton rally in Pa.

Trump also suggested for the first time that the back pay he wouldd demand from NATO nations could be used to be pay down the national debt.

Trump said his own "instinct" for creating jobs was akin to the Yankee legend's ability to slug home runs.

[...] the Republican front-runner says that if he is elected, he'll order his administration to "take a second look" at the issue.

Former presidential candidate Marco Rubio says Donald Trump's charge that the GOP primary is "rigged" is wrong and that, despite his differences with the billionaire businessman, he would support him if he wins the party's nomination.

In an interview on Miami radio station WIOD Wednesday, the Florida senator says Trump's argument of a rigged primary is wrong because "he knew the rules, or should have, going in."

Ted Cruz is conceding he cannot win the Republican presidential nomination before the party's national convention this summer.

Party leaders are convening this week to discuss the rules governing the messy nomination process.

Trump is accusing GOP leaders of a rigged system that's allowing Cruz to collect delegates even though he's losing the popular vote in some states.

Indiana doesn't vote until May 3, but Trump's campaign team sees the state as key to denying rival Ted Cruz any pathway to the nomination.

A small crowd of protesters outside Donald Trump's Indianapolis campaign rally are targeting both the Republican presidential front-runner and Indiana Gov. Mike Pence.

The group of about 75 people chanted anti-Trump and anti-Pence slogans for about an hour at the Indiana State Fairgrounds where a few thousand Trump supporters attended the rally.

Donald Trump supporters arriving to hear him speak at an Indianapolis campaign rally say they remain worried the Republican Party leaders are trying to block him from winning the presidential nomination.

Trump's Indiana campaign stop will be followed by a Ted Cruz speech on Thursday at a state Republican Party fundraiser in Indianapolis.

The Maryland State Education Association is asking the Worcester County school system to keep Republican presidential candidate Donald Trump from using a school for a rally.

Union President Betty Weller said in a statement Tuesday that "Trump and his divisive, fear-mongering rhetoric have no place in the halls of Maryland's public schools."

Wisconsin Gov. Scott Walker says he would back Donald Trump as the Republican presidential nominee, even though he endorsed Ted Cruz.

Supporters at a Pennsylvania rally for Republican presidential candidate Ted Cruz say they aren't overly concerned about his third-place finish in the New York primary.

Several people waiting Wednesday morning for the Texas senator to arrive at an event inside the Antique Automobile Club of America Museum in Hershey, Pennsylvania, attributed the results to Donald Trump's home state support.

With her New York win, Hillary Clinton's support among superdelegates puts her on track to clinch the Democratic nomination outright before the national convention — even before results from the California primary, which Bernie Sanders was counting on winning to stand a chance.

Clinton added 33 new endorsements over the past month, according to an Associated Press survey, expanding her overwhelming support among the party officials who can back any candidate, despite Sanders' recent string of victories in Wisconsin and the West.

Republican Donald Trump strengthened his own path toward the general election with a commanding victory, but has little room for error in the states ahead.