Gavin Newsom, AOC, LaMonica McIver, Brad Lander and all the other politicians (and talking heads) who relentlessly villainize ICE didn’t tell Joshua Jahn to go up on that roof and start firing away — but the nonstop bigoted, hateful and false rhetoric surely played a role in what looks to be the horrific decisions of a troubled young man. Just the night before, Newsom vented to Steven Colbert’s viewers about “authoritarian actions by an authoritarian government,” thundering that the “ICE issue is alarming beyond words.” “Anti-ICE” was scrawled on an ammo clip found by Jahn’s body; he killed himself after...