RNC says 'hard fought' primary race made the party better
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The Republican National Committee on Wednesday thanked the party's presidential candidates for their efforts, after the once 17-person field was winnowed down to a single candidate, Donald TrumpDonald John TrumpMost Americans break with Trump on Ukraine, but just 45 percent think he should be removed: poll Judge orders Democrats to give notice if they request Trump's NY tax returns Trump's doctor issues letter addressing 'speculation' about visit to Walter Reed MORE.

Sen. Ben Sasse (R-Neb.), who has criticized Trump in the past, asked in a tweet if the post was from a "parody account." 

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Trump became the presumptive GOP nominee after his win in the Indiana primary on Tuesday night. The billionaire businessman took more than 50 percent of the vote, according to The Associated Press.

His last remaining rivals, Ted CruzRafael (Ted) Edward CruzOvernight Defense — Presented by Boeing — Stopgap spending bill includes military pay raise | Schumer presses Pentagon to protect impeachment witnesses | US ends civil-nuclear waiver in Iran Cruz, Graham and Cheney call on Trump to end all nuclear waivers for Iran Pompeo: US ending sanctions waiver for site where Iran resumed uranium enrichment MORE and John Kasich, both suspended their bids after the results came in.

RNC Chairman Reince Priebus tweeted Tuesday night that Trump has become the party's standard-bearer and called on the party to unite behind the candidate to defeat Democratic front-runner Hillary ClintonHillary Diane Rodham ClintonThe Memo: Centrists change tone of Democratic race In 2020, democracy will be decided at the margins Michelle Obama presents Lin-Manuel Miranda with National Portrait Award MORE