Jack Edwards is the voice of the Boston Bruins on NESN and has been full-time since 2007. Twitter: @RealJackEdwards    PART 2:  2:30 - Jack's preparation for each game  6:45 - Jack's son Elijah is a technological genius  12:30 - Best Bruins team to cover 17:30 - Worst Bruins team to cover 24:20 - The one time Jack got yelled at by a coach  27:00 - Jack used to be fearful of losing his job 34:00 - Jack and Andy Brickley go way back  38:00 - The most excited Jack's been on-air 41:30 - Angriest moments on air  48:30 - How long does it take to come up with big calls?  52:30 - Favorite Bruins player to talk to