Dale Arnold hosts Boston Bruins pre- and post-game shows on NESN, hosts Dale & Keefe from 10 a.m. to 2 p.m. on WEEI and has a new book coming out titled "If These Walls Could Talk: Boston Bruins: Stories from the Boston Bruins Ice, Locker Room, and Press Box". Twitter: @DaleEArnold.    1:00 - Dale wrote a book  6:00 - The process of writing a book  11:30 - Shawn Thornton told Dale information that's never been heard before regarding the Matt Cookie hit on Marc Savard.  14:00 - Dale's favorite Boston sports story will tug at your heart strings  19:00 - Why does it feel like the sky is falling for the Bruins?  21:00 - Dale gives his take on the Bruins goaltending situation.  26:00 - Is Marchand-Bergeron-Pastrnak the best Bruins line in the past 20 years?