Nothing fishy here: R.F.K. Jr. hangs out with Russell Brand and Dr. Mehmet Oz in February. This week in American health: former U.S. surgeon generals sound the alarm, while R.F.K. Jr. sets his sights on … circumcision and sugar beets By Carolina de Armas and Paulina Prosnitz YOU’VE GOT MAIL Just one month after nine former C.D.C. directors slammed R.F.K. Jr. in a New York Times op-ed, six former U.S. surgeon generals have issued a strongly worded letter of their own in The Washington Post...