nicholas christakis. i'm maría hinojosa. this is one-on-one. dr. icholas christakis, it's so nice to have you here on the show. >> it's nice to see you. >> hinojosa: so you wrote... you co-wrote this book. it's called connected: the surprising power ofour social networks and how they shape our lives. and it's a fascinating book because basically what you're saying is something that is really controversial, which is why the book has gotten a lot of attention, and therefore, you... you're basically saying that our small little social networks, the personal networks, can determine so much about the rest of our lives. and when so many of us, at least in this country, are kind of made to believe that we can do this on our own, it's... you know, "pull yourself up by your bootstraps and you can do this," you're basically saying it really is true-- who you know and how they influence you has everything to do with what's going to happen with your life. >> okay, that's right, but the first thing i would emphasize is that people... okay, so most people, when t