San Francisco billionaire political activist Tom Steyer talks presidential run rumors

SAN FRANCISCO (KGO) -- For the past few of years, San Francisco billionaire political activist Tom Steyer has been funding campaigns across the country, raising his visibility and speculation that he may be running for President in 2020.

It appears Steyer has just taken the most concrete step yet in that direction.

Steyer stopped by the ABC7 News Studios to talk about it.