Vice President JD Vance's speech at the Republican Midterm Convention on Thursday night offered a glimpse of how he is positioning himself within the Republican Party -- as a potential heir to the MAGA movement who can speak its language while attempting to broaden its appeal.The most striking throughline in his remarks was grievance, particularly around race and identity.Vice President JD Vance speaks on stage on the second day of the 2026 Republican National Convention at the American Airlines Center, Sept. 10, 2026, in Dallas.Andrew Harnik/Getty ImagesRepeatedly, Vance argued that Republicans and their voters have been unfairly labeled as racist for raising concerns about immigration, crime, government fraud and cultural change. Democrats, he claimed, don't simply disagree with Republicans -- he said they dismiss legitimate concerns by attacking the people who raise them."We were tired of being called racists for noticing that our country was becoming dirtier and poorer and less safe and less prosperous," Vance said.Vance made that argument deeply personal by invoking his children, second lady Usha Vance and his late grandfather. At one point, he accused Michigan Democratic Senate nominee Abdul El-Sayed of viewing his grandfather through the prism of race while shifting into one of his sharpest attacks of the night, declaring Democrats "the party of hatred."He checked off cultural issues that animate different parts of the Republican coalition, from religious freedom, public safety and immigration to transgender athletes, education and the so-called "MAHA" movement.He pivoted away from the administration's staunchest supporters and spoke directly to voters still making up their minds. He acknowledged that voters might disagree with Republicans on individual policies and said they did not need to agree with the administration on everything. That appeal distinguished Vance's speech from much of the rest GOP convention.Whatever reservations voters have about Republicans, he argued, Democrats are a more radical alternative.Popular Reads"They're the party that despises America and the people who built it," Vance said, later adding, "Ladies and gentlemen, because the Democrats have become such a nightmare, we can never, we will never, never let them win."Vance’s remarks are also notable for what was left out. One clear omission was President Donald Trump's $5,000 "dividend" checks proposal. The vice president didn't use his closing argument to co-sign the lofty presidential promise that adult Americans would receive $5,000 if Republicans retain their control of both chambers of Congress.What followed Vance's remarks is a reminder of who defines the current Republican Party.President Donald Trump speaks on stage on the second day of the 2026 Republican National Convention at the American Airlines Center, Sept. 10, 2026, in Dallas.Andrew Harnik/Getty ImagesVance had the marquee speaking slot, but Trump reclaimed the stage immediately afterward for his second speech in a two-night convention. The dynamic underscored just how difficult it is for anyone else in this Republican Party to fully command the spotlight.Vance got something close to a 2028 audition, but Trump still got the last word.