russian billionaire yuri milner. $100 million project to find intelligent life in the universe. milner is a physicist and has put together a team of scientists to scan radio signals from the billions of stars and 100 galaxies closest to earth. don't you love it? pat: good for him. john: worst idea of 2015. pat: putting women into combat. john: what? pat: putting women in combat in the american armed forces. eleanor: women were already in combat. it just opens up jobs and gets them on the right pay scale. worst idea is barring all muslims from entering the u.s. thank you, donald trump. om: the refusal to put a limited number of special forces to call on air strikes on isis in syria. clarence: those are all good suggestions for bad ideas. i'm going to pick trigger warnings. the notion that you need to warn students of anything disturbing or provocative in the literature they're going to be reading in class. this is -- what is university for but to be provocative? john: worst idea. president obama's decision to stop prosecuting u.s. citizens who pay ransom to terrorist groups like

please welcome the yuri milner.applause] ♪ ♪ >> welcome. >> thank you. >> you are worth $3 billion. is that correct? >> possible. >> possible. no comment? my first question is like you invest in these companies that is most to reach like huge demographics of people, the everyday man. do you feel like it's hard to relate to the end users to the services you invest in? is it hard to relate to the end-users of the companies that you invest in? >> well, it's sort of interesting that we have to investments around the world. 40% of our capital is in u.s., 30% in china, 20% in india and europe. and one would think that things will look very different given the diversity of cultures and demographics and so on. but what you see again and again and again is a lot of similarities that a lot of business models with small variations the repeat themselves just all the time. spinning you've got that pattern down. [inaudible] >> that $200 million investment on facebook will put you on the map as an investor in a lot of ways. you ha