Because of OSF founder George Soros' successful push to legalize marijuana, other foundations are ramping up support for anti drug policies and research.
An advocacy group that helped NYC Mayor Bill de Blasio's push for expanded pre-kindergarten received its largest donations from unions, a political action committee and the Rockefeller Family Fund.
In an interview with Rolling Stone, former New York Mayor Michael Bloomberg says the work that he and Bloomberg Philanthropies are doing is about "trying to save lives."