Tom Steyer, a billionaire environmentalist weighing a run for U.S. Senate in California, in San Francisco, Feb. 13, 2014.
Tom Steyer, a billionaire environmentalist weighing a run for U.S. Senate in California, in San Francisco, Feb. 13, 2014. Jason Henry The New York Times
Tom Steyer, a billionaire environmentalist weighing a run for U.S. Senate in California, in San Francisco, Feb. 13, 2014. Jason Henry The New York Times