From a post on axios.com by Mike Allen headlined “Biden’s worldwide walkback”:

Yesterday’s Warsaw address was billed as one of the signature speeches of President Biden’s term — perhaps bigger than a State of the Union. Then after a Reaganesque call for “a brighter future rooted in democracy,” as a literal last line before his farewell, Biden ad-libbed:

• “For God’s sake, this man cannot remain in power.”

Wait, what?! The U.S. wants to take out Putin? Is calling for regime change?

• Some variation of Biden’s jab instantly led every major news site in the world, starting with CNN, where many world capitals were getting the news: “BIDEN: PUTIN CANNOT REMAIN IN POWER.”