Last summer, we wrote about the Ice Bucket Challenge in support of the ALS Association. This year, a young Bruins fan’s viral video has launched a new awareness campaign. Liam Fitzgerald, 8 years old, was seen fist-bumping Boston Bruins players during their warm-up last November, and captured the hearts of hockey fans around the nation. In 2011, Liam “kicked cancer’s butt,” and is now working on raising money for the Leukemia & Lymphoma Society with his own “Fist Bump Challenge.” Less bracing than a bucket of ice water, Liam’s campaign asks people to post pictures or videos of themselves fist […]