One can legitimately fault Senate Minority Leader Mitch McConnell for many things. Being dumb is not one of them. The Republican politician who is demonstrating his own dumbness these days is Donald Trump.
If the Senate eventually passes President Biden's so-called "infrastructure" bill or his "For the People" election bill monstrosity, it will largely be due to Trump's inept and counter-productive intervention in Georgia's special senatorial election in January. That election's results erased the U.S. Senate's Republican majority.
According to the WaPo story:
> "Former president Donald Trump called Senate Minority Leader a 'dumb son of a bitch' as he used a Saturday night speech to Republicans to blame him for not helping overturn the 2020 election and reiterated false assertions that he won the November contest.
"Trump, speaking to a Republican National Committee gathering at his Mar-a-Lago Club in Palm Beach, Fla., excoriated a number of Republicans even as he publicly called for party unity — focusing on those who voted to convict him in impeachment proceedings. But he saved his sharpest vitriol for the Kentucky Republican...."
> https://www.politico.com/news/2021/04/11/trump-mcconnell-dumb-son-of-a-bitch-rnc-480748
