Californians are heading to the polls on Tuesday to cast their primary ballots in the race to replace Gov. Gavin Newsom as he approaches his term limit–mandated exit from the state’s top office.  The tumultuous gubernatorial race in the Golden State has drawn more than 60 candidates , and the top of the field has seen significant upheaval as the race has gone on . Just a few months ago, then-Democratic Rep. Eric Swalwell was widely considered the frontrunner—before reports of multiple sexual assault allegations against him, which he denied, prompted him to end his campaign and resign from Congress.  The collapse of Swalwell’s campaign rocked the crowded race, and left room for other candidates to surge in the polls. The latest Emerson College poll , released on May 30, showed former Human and Health Services Secretary Xavier Becerra leading the primary race for Governor at 28%, followed by billionaire philanthropist Tom Steyer at 22% and Trump-backed political commentator Steve Hilton at 21%.…