Right after half-heartedly condemning Castro’s Cuba for being “authoritarian” and “undemocratic” at Wednesday night’s debate, Bernie Sanders made a pivot that was predictable to anyone who has ever eavesdropped in a coffee shop in Sanders’s adopted state of Vermont: He rhapsodized on the wonders of Cuban health care. Cuba has “made some good advances in health care,” Sanders said. He then added, admiringly, that “they are sending doctors all over the world.”