which is risky in and of itself, i see a portfolio that virtually guarantee guarantees will have the breakthroughs. >> bill gates, thank you so much for joining us this morning right there at the summit headquarters. thanks from me and chris. >> thank you for bringing us the bill gates interview. he's such a critical player in this. it's so important to hear how he dreams this going forward. >> i think it's vital. he has put his money and intellect and brains where his mouth is. he was the new startup back then. there are people like david attenborou attenborough. >> politicians talk about enforcement. he says make it cost equivalent. then there's a profit incentive. that will take care of