Blackout Overview Power is slowly being restored to many areas affected by the largest electrical outage in U.S. history. We'll have an overview of how different parts of the United States and Canada are faring. Millions are still without power, and officials say many could go all weekend without it. Michigan's governor has declared a state of emergency. President Bush says the outages are a "wake up call" that the nation's power system is out-of-date.