Steyer, a former hedge fund manager and now prominent liberal activist, has already committed over $195 million to broadcast TV, cable, and radio advertisements, a figure that continues to climb, according to data compiled by advertising tracker AdImpact

Win or lose, billionaire Democrat Tom Steyer will leave a mark in the history books in his bid to become California’s next governor.

LOS ANGELES (AP) — Win or lose, billionaire Democrat Tom Steyer will leave a mark in the history books in his bid to become California's next governor — he’s running