It may have been a blistering cold and rain-soaked December night in Glasgow, but when has that ever stopped music devotees? A snaking queue, full of everyone from younger fans newly converted to the joy of heavier music, and veterans who have been there since the beginning, wrapped around the O2 Academy. Despite their differences, everyone was united by one thing: the chance to see alternative rock legends, THREE DAYS GRACE. Hailing from Canada and more than three decades i