NEW HAVEN, Conn. — A California congresswoman whose husband was indicted on theft and conspiracy charges in Connecticut cited an “unexpected family matter” Thursday in withdrawing as a candidate for chair of the House Democratic Caucus. U.S. Rep. Linda Sanchez, now the caucus vice chair, is married to James Sullivan, one of five people indicted on theft and conspiracy charges this week in connection with a public electricity cooperative and $800,000 worth of trips to the Kentucky Derby and other locations. Sanchez, who represents the 38th District in the Los Angeles area, wrote in a letter to fellow Democrats, “Unfortunately,...