Billionaire businessman Donald Trump became the Republican Party's presumptive nominee following the May 3 Indiana primary. From GOP leaders jumping on the Trump train to joining the #NeverTrump movement, here's the Washington Examiner's running list of where Republican members in Congress stand when it comes to supporting the party's probable nominee:

Republican Senators

Senators who have endorsed Donald Trump (6):

Sen. Deb Fischer, R-Neb. — Following the meeting on Capitol Hill between Trump and GOP lawmakers, Fischer said she's "endorsed the nominee - and he will be the nominee."

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