The similarities between this doomsday adventure and Michael Bay's overblown ARMAGEDDON are too numerous to ignore; the crucial difference is that this one is actually pretty good. The premise, however, is the same: Devastating natural phenomena strike Earth's major cities, inspiring a crew of unlikely heroes to save the world from imminent destruction. In Boston, citizens with pacemakers suddenly drop dead. In London, flocks of pigeons that normally navigate according to the Earth's magnetic field swarm in a disoriented frenzy. A momentary communications blip over California nearly sends the Space Shuttle Endeavor, piloted by Commander Richard Iverson (Bruce Greenwo...