Los Angeles mayoral candidate Spencer Pratt, whose social media team has been running circles around far-left incumbent Mayor Karen Bass and socialist Councilmember Nithya Raman in recent weeks, appears to be gaining momentum. Whether from his strong performance at last week's mayoral debate or his viral social media ads, the former reality TV star, made famous on MTV's The Hills, has reached an inflection point as a serious challenger to the Democratic queens and kings who rule L.A.