Three years ago, David Cohen and three friends started a summer program for startups. The idea was that in three months, around ten startups would get enough money to survive and enough guidance to build great ideas into viable companies. Today, TechStars boasts a remarkable roster of startup mentors and an equally impressive stable of program alumni. At the TechStars Boulder headquarters, we sat down with Cohen to talk about how and why the program works. Read the rest at ReadWriteWeb.com/ReadWriteStartCast: ReadWriteWeb, Jolie O'Dell