As the Democratic Party melted down over President Joe Biden’s poor debate performance, former President Donald Trump did a surprising thing: He shut up and let the drama unfold without him.

The only public comments on Democratic disarray from Trump’s orbit came Wednesday from his campaign co-chairs, who pointed out anyone Democrats could feasibly nominate would have defended both Biden’s policies and his fitness to continue as president — including, with Trumpian flair, “Cackling Copilot Kamala Harris” (though actual Trump nicknames seldom use alliteration).