Courtesy of Politico:

During its second day of oral arguments in the impeachment trial Monday, President Donald Trump’s legal defense team argued that Biden, not the president, should be investigated for corruption or abuse of power for seeking the dismissal of Ukraine’s former prosecutor general, Viktor Shokin, in 2016 — all while Biden’s son Hunter sat on the board of a Ukrainian energy company, Burisma.

“Iowa caucuses, folks, Iowa caucuses are this next Monday evening,” Ernst told reporters in the Capitol. “And I’m really interested to see how this discussion today informs and influences the Iowa caucus voters, those Democratic caucusgoers. Will they be supporting Vice President Biden at this point? Not certain about that.”

Yep, definitely an oops. 

And of course Biden was quick to make note of the gaffe:

Hey, remember when the GOP was not made up of Keystone Kop rejects?

You know what, I don’t either.