In Revisionist Art, Bob Dylan offers silkscreened covers of popular magazines from the last half century that somehow escaped history's notice. As Luc Sante says in his introduction to this collection, they seem to emanate, "from a world just slightly removed from ours--a world a bit more honest about its corruption, its chronic horniness, its sweat, its body odor." Art critic B. Clavery provides a history of Revisionist Art, from cave drawings, to...