>> the unabomber tried to kill him. steve jobs may have tried to rob him but our next guest always came out on top and now he's taking on the -- his ivy league colleagues saying the academic elite are ruining our kids and our country. david gellentare is a computer science professor at yale and the author of this book, take a look "american life, how imperial academia dismantled our culture and ushered in the obamacrats." how do you define an obamacrat, professor? >> obamacrat is an air head who is a left liberal not so much out of conviction but because he's been trained that way. rather than thoughtful ones. >> so you notice a difference from when you were a student in the 70's. by the way, this is your definition right there. when you're student in the 70's to the kids you're teaching today. in what have we changed? >> there's been an enormous change. it's not that we were wonderful