Mayor Brandon Johnson’s pick to head Chicago’s Commission on Human Relations pledged Tuesday to repair the mayor’s strained ties with mainstream Jewish leaders.Kenneth Gunn, a civil rights attorney who has spent more than three decades with the Commission on Human Relations, replaces Nancy Andrade, who resigned in March to protest what critics contend was an attempt by Johnson’s administration to whitewash a long-awaited report that was supposed to focus solely on antisemitism.Gunn said he has “good friends” in the Jewish community who “know me and know what I stand for” because he’s worked with many of them for years.The mayor’s...