LOS ANGELES (AP) — Rick Caruso, billionaire developer and underdog candidate for Los Angeles mayor, is mounting what might become the city’s largest-ever voter-turnout operation to try to defeat U.S. Rep. Karen Bass, who could be the first Black woman to lead the nation’s second-most-populous city.

Caruso is deploying several hundred paid canvassers and droves of volunteers to knock on doors, make phone calls and send texts and emails. Their targets are identified by campaign staff who rely on demographic research and polling to ferret out potential supporters among undecided Latinos, Asians and independents.

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