CNN is live from Chicago as Democrats unite to offer their support for their new nominee,

Vice President Kamil Harris, and her running mate Governor Tim Walls.

Follow CNN for complete coverage of the Democratic National Convention on CNN and streaming on Max.

Donald Trump returns to X for a big interview with Elon Musk, but it's the bundled launch of the conversation

drawing the most attention right now. Plus, investigators dig into the suspected Iranian

hack of the Trump campaign, and tonight we're learning that the Trump campaign was not the only target and it's the near fatal helicopter crash

Trump's been talking about it. It turns out he apparently confused who was riding with him on that helicopter.

We'll speak to the person who was actually there. Elon Musk built it as the interview of the century.

Donald Trump broke his long silence on X to promote it,

but their conversation on Musk's platform

was plagued with technical problems that are

overshadowing the interview itself, at least parts of it.

At the scheduled start time, many people could not connect to the feed where it was happening.

Musk claims a denial of service attack,

as it's known, overwhelmed the company's servers,

but it's unclear if that was the issue

or if too many people were trying to get into the room.

The interview eventually got underway,

nearly 45 minutes behind schedule, and from there, Trump launched into his normal talking

points and grievances and attacks on Kamal Harris.

They're doing it right now while there's third-rate phony candidate, don't forget, I beat, I beat Biden. He failed in the debate miserably. We cannot have a Democrat. We cannot have her. She's incompetent. She's as bad as Biden. No tax on tips and all of a

sudden she's making a speech and there will be no

...