The one year anniversary of the devastating earthquake and tsunami in Japan is less than two weeks away, but details about the nuclear meltdown that happened that tragic day are just beginning to emerge.

On Feb. 27, a news helicopter was allowed close enough to get a good glimpse of the crippled Fukushima Dai-Ichi nuclear power plant. Today, a report revealed the chaos between Japan's leaders during the crisis.

"The normal lines of authority completely collapsed," Tetsuro Fukuyama, the prime minister's adviser, told investigators.