David Byrne is into bicycling. Rock’s renaissance man has written a book about biking in cities around the world (2009″s “Bicycle Diaries”), he has designed bike racks for New York City and he will speak at a symposium on urban bicycling Thursday in Minneapolis with Mayor R.T. Rybak and others. It’s the next-to-last stop in a 15-city series he’s conducted since last fall. So we talked to the chief of the Talking Heads and Luaka Bop Records about bicycling.