Tom Steyer speaks during the "People's State of the Union" event one day ahead of President Trump's State of The Union Speech to Congress, in Manhattan, New York, Jan. 29, 2018. Darren Ornitz/Reuters

Tom Steyer: Billionaire political megadonor for the people?

The liberal financier says substance and style differentiate him from Koch brothers.

Global Politics

Tom Steyer speaks during the "People's State of the Union" event one day ahead of President Trump's State of The Union Speech to Congress, in Manhattan, New York, Jan. 29, 2018.

Darren Ornitz/Reuters