On Friday January 17, Bruce Perens will be interviewed on National Public Radio's "Talk of the Nation: Science Friday", with host Ira Flatow. The subject will be the philosophy and business of Open Source software. The interview will take place between 2:20 P.M. and 3:00 EST, that's 11:20 to 12:00 PST. Find your local radio station here . For general information on the program, see the Science Friday site .