Bulls defensemen, Chris Frank, took time out of his day to support author and endurance athlete, Jarie Bolander, at his book release.  The new book #EnduranceTWEET is an inspiring compilation of motivational tweets that are transferable to both endurance athletes, professional hockey players and average joe’s.  Joining Chris Frank at the event was San Francisco 49ers linebacker, Larry Grant, and PAC-12 Network personality, Mike Yam.