New York (CNN Business) "It's finally here."

That's how CBS' Stephen Colbert kicked off "The Late Show" on Wednesday night before delving into the biggest story of the day: the first public impeachment hearing of President Trump.

"It's what we've been praying for since the beginning of the Trump presidency: the end of the Trump presidency," Colbert said during his opening monologue.

Colbert then told his audience, "today's live testimony was as dramatic as it was historic."

"It was the biggest ratings hit for C-SPAN 3 since 'Drunk History starring Brett Kavanaugh,'" Colbert joked.

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