Lupe Fiasco is on a mission. His next album Mission, drawing on his unique ability to mold concepts into stories and then lyrics, will be a tribute to cancer survivors. Even more pithy: he'll invoke testimonials from those survivors as a template for the songs. Heavy, deep stuff. The Chicago rapper has never shied from profound subjects. This project, however, represents the peak use of his skills both socially and artistically. Watch his interview with Katie Couric after the jump.