Socialist Nithya Raman drew loud groans and hisses from a crowd of Democrats during the Los Angeles mayoral debate after she fumbled while explaining her decision to hire the political consulting firm behind disgraced former Senate candidate Graham Platner’s campaign.After winning the Democratic primary for U.S. Senate in Maine, Platner, also a socialist, dropped out of the race in July after several sexual misconduct allegations. Even before the allegations arose, Platner had stirred significant controversy over his history of inflammatory statements and a chest tattoo critics say resembles a...