'Ellsworth Kelly: Sculpture on the Wall,' at Philadelphia's Barnes Foundation, reviewed

PHILADELPHIA -- A small but handsome exhibition of work by Ellsworth Kelly is billed as the Barnes Foundation's "first show of contemporary art in ninety years." That's another way of saying it is the first time the Barnes, founded in 1922, has ever devoted a gallery to work by a living artist, and a coy way of reminding the public that the museum, now resident in an elegant new building in downtown Philadelphia, is finally breaking the worst of the intellectual fetters in which it has languishe...