The Book of Eli - Scenes & B-Roll

I'm hoping these clips help me figure out what this movie is about.

Have you washed your filthy hands?
Hand Grenade
Go Back Inside
Do You Remember What it was Like?
Interview with Denzel Washington
B-Roll
B-Roll 2

Release Date: 15 January 2010
Genre: Action
Cast: Michael Gambon, Denzel Washington, Gary Oldman, Jennifer Beals
Director: Albert Hughes, Allen Hughes
Writer: Gary Whitta
Studio: Warner Brothers

Plot:
A post-apocalyptic tale, in which a lone man fights his way across America in order to protect a sacred book that holds the secrets to saving humankind.