Sen. John Fetterman (D-Pa.), who was thought to be open to voting for Robert F. Kennedy Jr.’s nomination to head the Department of Health and Human Services, now says the nominee is in serious trouble after his rocky confirmation hearing. “I don’t think it went well for him today. I don’t think that was a good one,” he said after Kennedy sparred with Democrats on the Senate Finance Committee over his past statements and stance on vaccines. Fetterman said after the bruising hearing that he thinks Kennedy’s nomination may be “moot.” “It’s moot,” he said when asked if he’s still...