If Dave had been a musician…. Like Letterman, Warren Zevon was an oft-misunderstood, feeling, thinking, snorting, spitting, mad man. Like Letterman, Zevon was born in the Midwest and found early success in Los Angeles. Like Letterman, Zevon threw it all out there. Prior to a dive into his back catalog in college, I think I only owned Excitable Boy (likely thanks to...