SI Now: Behind the scenes of the 1980's "Showtime" LA Lakers

On Thursday's SI Now, "Showtime" author Jeff Pearlman discusses his new book, why Jerry Buss was one of the greatest owners in the history of the NBA, and how

On Thursday's SI Now, "Showtime" author Jeff Pearlman discusses his new book, why Jerry Buss was one of the greatest owners in the history of the NBA, and how Pat Riley became a legendary coach.