If any one person could be said to embody all the glories and excesses of rock & roll, it'd be Keith Richards. During the heyday of the Rolling Stones -- the blues band he co-founded with life-long partner Mick Jagger -- Richards steered the group back to their roots in blues and rock & roll, writing such indelible riffs as "(I Can't Get No) Satisfaction" and "Jumpin' Jack Flash." During the 1970s, Richards began to favor ringing open-chord tunings along with an absurdly decadent lifestyle, qualities that could overshadow how he encouraged the Stones to experiment with country...