SPENCER, Iowa — Vivek Ramaswamy said he regrets taking the two doses of the Covid-19 vaccine he’s received. He also said at a recent campaign stop that he and his wife, surgeon Apoorva Ramaswamy, “disagree on things sometimes,” and that’s OK. One of those things is their feelings about the Covid-19 vaccine, Apoorva Ramaswamy told NBC News in an interview. Dr. Ramaswamy, who is a laryngologist at Ohio State University, said she has no regrets about taking the jabs to protect against Covid, putting her decision in terms of her responsibility to the patients she sees. “For my young, healthy...