Americans narrowly avoided nuclear disasters during hurricane Irene and the 5.8 earthquake that hit the East Coast. Six months after Fukushima, the Nuclear Regulatory Commission must implement new regulations, rather than debate reforms for the next decade, as it did post-9/11.
New technology uses lasers to enrich uranium for nuclear power. Critics say it's approval would hamper nuclear weapons nonproliferation goals.
New process could replace centrifuges but renew threat of nuclear proliferation.