We learned this week, via Jonathan Lemire and some Politico colleagues, that Joe Biden uses salty language about Donald Trump in private. He’s a “sick fuck” and a “fucking asshole.” During his Valley Forge speech commemorating the January 6 insurrection, the president almost let it slip in public: “At his rally, he jokes about an intruder, whipped up by the Big Trump Lie, taking a hammer to Paul Pelosi’s skull. And he thinks that’s funny. He laughed about it. What a sick …”The White House declin