As a founding member of the Grateful Dead, Bob Weir occupies a unique place in American music. Very few rock bands can boast such a lasting influence and unique cultural identity as the Dead, and for the three decades of their existence, Weir was in many ways their backbone. One of rock & roll's most unusual rhythm guitarists, he played a subtle but distinctive counterpoint to Jerry Garcia's fluid leads, wrote and sang several of their best-known songs, and helped inspire an entire subculture of music that continues to thrive well into the 21st century. After Garcia's death in...