The Gates Foundation is trying to eradicate polio and malaria globally. Bill Gates created a billion-dollar climate investment fund, funded multiple factories to find a vaccine for COVID-19 and is matchmaking companies around the world to get that vaccine distributed. Gates, co-founder of Microsoft, is in the position to do all this because he is one of the world’s richest people. And that’s a little weird. Molly Wood asks him how his philanthropy ends up doing so much of the work of government. He said some of it is mission creep.