CNN

Kamala Harris is officially the Democratic presidential nominee, but Donald Trump is continuing to describe the vice president’s elevation to the top of her party’s ticket as “unconstitutional” and accusing her of taking part in a “coup.”

No serious effort to challenge Harris’ status as the Democratic nominee is underway. But some of Trump’s critics warn that the former president could be laying the groundwork to question the outcome of the 2024 election if he loses a second time.

Democrats are set to gather next week in Chicago for a national convention at which they’ll rally around Harris as their new standard-bearer after President Joe Biden’s decision not to seek reelection.

The Democratic National Committee made it official last week: Harris and Minnesota Gov. Tim Walz are the party nominees for president and vice president, respectively. Convention delegates held a virtual roll call ahead of the convention, with Harris receiving 99% support from the participating delegates.