Whicker: New Dodgers manager Dave Roberts has proven nice guys can finish

Everyone has to start somewhere. The question is whether a baseball manager should start in Dodger Stadium. Or Lynchburg or Modesto or Montgomery.Ex-major leaguers have been getting more chances to cut their teeth in dugouts where every rookie mistake is not only noticed but tweeted. They have been anointed as leaders without any time spent at Officer Candidate School.