The Age of Megafires/Combat in Afghanistan/Mr. Ayers and Mr. Lopez

Scott Pelley gives his report concerning the intensity and frequency of forest fires and their relationship with global warming. Lara Logan interviews Maj. Gen. Jeffery Schloesser, stationed in Afghanistan, discussing the increase in enemy personnel. Los Angeles street musician Nathaniel Ayers is interviewed by Morley Safer, about being the main subject to the movie "The Soloist."