Regarding your editorial “A $900 Bottle of Hypocrisy” (Dec. 21): When Elizabeth Warren took the debate stage in October, she was a front-runner and a proud supporter of Medicare for All. But when she refused to say how she would pay for nationalized health care, Pete Buttigieg took aim: “Your signature, Senator, is to have a plan for everything—except this.”

Criticism of her evasions moved Ms. Warren to unveil bogus health-care budgeting that sank her poll numbers—and her recent foray into wine-cave politics won’t help. Ms....