(“Mercury Zero Summer Glut” 1987, courtesy Robert Rauschenberg Foundation) October 22 marks the 100th anniversary of the birth of postmodern artist Robert Rauschberg, who died in 2008 and this year there are wide range of exhibitions and activities to mark the centennial. One of those is Smithsonian Books’ publication of The Ascent of Rauschenberg: Reinventing the →