Giving away a fortune: What could Warren Buffett's adult children support?

Warren Buffett's adult children — Susie, Howard and Peter Buffett — have long track records as philanthropists, giving away more than $15 billion of their dad's money through their foundations since 2006. The next generation of Buffetts have supported different causes over the years, but their foundations share some characteristics. Named after Warren Buffett's first wife, it has donated $8.4 billion mainly to reproductive health care organizations, according to the charitable grants database Candid.