not shut them down. >> go ahead. >> i think the big question i had about mark pinkus, in the book you have positive ideas about creating allies and nus networks of people. mark is really a disruptive personality which has been good. i think he's been -- he's gotten maligning press along those lines. my question is when you talk about building allies and the networks, how do you manage this idea of disruptive personalities. >> two questions. first, mark is a hard-driving person that occasionally people go sideways with. that's not mark's fault. just to be clear. he's hard driving. part of the reason he's succeeded. in addition to myself he has a number of good friends. >> i just want to be clear on that part of it. the next part is part of when you decide someone is an ally or a friend, you backslide. when and if mark has challenges with me or vice versa, we talk about it. we get to the right place. part of the thing is you choose your alliance, your network around you or the people that you are going through the world with. it's partially your responsibility when you think they need t