Party worries crowded field to replace Gavin Newsom – and quirk of primary system – could open door for Republicans in NovemberIt’s been three decades since Democrats last had a wide open competition for the California governorship, one of the most visible and most powerful positions in the US. Instead of relishing in the competition of a crowded field, though, party leaders worry that the race to succeed Gavin Newsom could blow up in their faces.On Tuesday, the state’s Democratic party chair, R...