Red flames engulfed the CN Tower: a signal the show is about to commence. Three girlfriends and I stood bundled together, a tried tactic to not lose each other in an audience of at least a 20-thousand. Everyone gathered together in red and white for Canada Day, eager to witness the fireworks go off at any moment.   I looked around, admiring the crowd. Kids with LED bands around their wrists and necks jumped about excitedly, their parents repeatedly lecturing them to stay clo