Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE formally unveiled Indiana Gov. Mike Pence as his running mate Saturday, calling him the key to unifying the Republican Party after a tumultuous primary season.

"One of the biggest reasons I've chosen Mike, one of the reasons is party unity, I have to be honest," Trump said before introducing Pence at the Hilton Midtown in New York.

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In an extended 28-minute introduction speech in which Trump talked more about Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE and his primary victories than his new running mate, Trump called Pence his first choice and praised his governorship in Indiana.

"He fights for the people, and he's going to fight for you. He's a solid, solid person."

"He's really got the skills of a highly talented executive, leading the state of Indiana to jobs, growth and opportunity despite the obstacles in his state's way ... by the way of the Obama administration," Trump said. "Mike Pence is a man of honor, character and honesty."

Still, Trump couldn't keep from steering back to Clinton, vowing to make her "pay the price" come election day for using a personal email server while secretary of State.

"While she didn't pay the price she should have, she's going to pay that price when Nov. 8 comes around. She's going to pay it at the polls, believe me."

"Hillary is a weak person. We are the law and order candidates, and we are the law and order party. We're going to change things around. There's going to be respect again for law and order," Trump said.

Trump went off on a number of tangents, including one where he trashed the NAFTA trade deal and called those who supported it "stupid," even though Pence himself supported it.

Trump originally planned to make the announcement at an event Friday, but said he canceled it after the terror attacks in Nice, France. Still, he sent out a tweet Friday afternoon announcing Pence as his pick.

Former Speaker Newt Gingrich and New Jersey Gov. Chris Christie were also reportedly on the shortlist.

When Pence finally took the stage, he introduced himself as a "Christian, conservative and a Republican, in that order."