Rachel Bade: “While the left’s irritation with Schumer may be genuine, the idea that he’s on the brink is more fantasy than fact. Having covered internal grumblings against party leaders for years, I can tell you these musings against leadership surface every cycle — and rarely go anywhere.”“At any given moment, a handful of senators are disgruntled. But turning that into an actual leadership coup? That’s a whole other ballgame.”