Power play tactics By Dean Chadwin Oct 30, 2001, 11:03   At the foot of the master? Keenan listens to Scotty. ©BBS While perusing the archives at the Hockey Hall of Fame recently, I found a tape labeled “Mike Keenan/Power Play Tactics.” This was strange. Hadn’t Keenan always emulated his idol, Scotty Bowman, and refused…