MILWAUKEE — Introducing himself to the nation after being tapped as Donald Trump’s running mate, JD Vance is planning to use his Wednesday night address to the Republican National Convention to share the story of his hardscrabble upbringing and make the case that his party best understands the challenges facing struggling Americans.

The 39-year-old Ohio senator is a relative political unknown. In his first primetime speech since becoming the nominee for vice president, Vance is expected to talk about growing up poor in Kentucky and Ohio, his mother addicted to drugs and his father absent, and how he later went on to the highest levels of U.S. politics.

Vance, who rapidly morphed in recent years from a bitter critic of the former president to an aggressive defender, is positioned to become the future leader of the party and the torch-bearer of Trump’s “Make America Great Again” political movement, which has reshaped the Republican Party and broken longtime political norms. The first millennial to join the top of a major party ticket, he enters the race as questions about the age of the men at the top — 78-year-old Trump and 81-year-old Biden — have been high on the list of voters’ concerns.

Speaking earlier Wednesday, at his first fundraiser as Trump’s running mate, Vance said he will use the speech to highlight the contrast between Trump and Biden.

“The guy who actually connects with working people in this country is not Fake Scranton Joe, it’s Real President Donald Trump,” he said.

Vance was introduced at the fundraiser by Indiana Rep. Jim Banks, who said Trump’s decision to choose Vance wasn’t about picking a running mate or the next vice president.

“Donald Trump’s decision this week in picking JD Vance was about the future,” he said. “Donald Trump picked a man in JD Vance that is the future of the country, the future of the Republican Party, the future of the America First movement.”

Along with his relative youth, Vance is new to some of the hallmarks of Republican presidential politics: This year’s gathering is the first RNC that Vance has attended, according to a Trump campaign official who was not authorized to speak publicly.

Trump, who entered the arena to a version of the song “It’s a Man’s World” by James Brown and Luciano Pavarotti, will be watching from his family box.

Convention organizers had stressed a theme of unity, even before Trump survived an attempted assassination at a rally in Pennsylvania Saturday. Trump’s refusal to accept the results of the 2020 election and the subsequent attack on the U.S. Capitol, officials said, would be absent from the stage.

But that changed with former White House official Peter Navarro, who was greeted with enthusiastic cheers and a standing ovation hours after he was released from a Miami prison where he served four months for defying a subpoena from the congressional committee investigating the Jan. 6, 2021, attack on the U.S. Capitol by a mob of the former president’s supporter.

“If they can come for me, if they can come for Donald Trump, be careful. They will come for you,” he said in a fiery speech. He compared his legal troubles to those faced by Trump, who earlier this year was convicted on 34 felony charges in his criminal hush money trial. Trump is also facing two indictments for his efforts to overturn the 2020 election.

“They did not break me,” Navarro said, “and they will never break Donald Trump.”

Also spotted on the floor of the convention: Paul Manafort, Trump’s 2016 campaign chair, who was convicted as part of the investigation into Russia’s meddling in that election.

Vance is an Ivy League graduate and former businessman, but gained prominence following the publication of his bestselling 2016 memoir “Hillbilly Elegy,” which tells the story of his blue-collar roots. The book became a must-read for those seeking to understand the cultural forces that propelled Trump to the White House that year.

Still, most Americans — and Republicans — don’t know much about Vance. According to a new poll from the AP-NORC Center for Public Affairs Research, which was conducted before Trump selected the freshman senator as his choice, 6 in 10 Americans don’t know enough about him to have formed an opinion.

About 2 in 10 U.S. adults have a favorable view of him, and 22% view him negatively. Among Republicans, 61% don’t know enough to have an opinion of Vance. About one-quarter have a positive view of him, and roughly 1 in 10 have a negative one.

Vance will be introduced Wednesday night by his wife, Usha Chilukuri Vance. Trump’s eldest son, Donald Trump Jr., who is a close friend of Vance, will also speak.

Beyond Vance’s prime-time speech, the Republican Party focused Wednesday on a theme of American global strength. Speakers were to include family members of service members killed during the withdrawal of troops from Afghanistan and someone taken hostage during the Oct. 7 attack in Israel, according to a person familiar with the program.

Republicans contend that the country has become a “global laughingstock” under Biden’s watch. The party that was once home to defense hawks and neoconservatives has fully embraced Trump’s “America First” foreign policy that redefined relationships with allies and adversaries.

Democrats have sharply criticized Trump — and Vance — for their positions, including their questioning of U.S. support for Ukraine in its defense against Russia’s invasion.

In a video released Wednesday by Biden’s reelection campaign, Vice President Kamala Harris dismissed Vance as someone Trump “knew would be a rubber stamp for his extreme agenda.”

“Make no mistake: JD Vance will be loyal only to Trump, not to our country,” Harris says in a video.
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