This week on SundayArts News: “Why Design Now?” National Design Triennial at Cooper-Hewitt through January 9, 2011, Caramoor International Music Festival June 29-August 8, Remember the Ladies: Women Artists of the Hudson River School through October 31 at the Thomas Cole National Historic Site, Everyday Rapture at American Airlines Theatre through July 11, Savion Glover in “Sole Power” at the Joyce Theater through July 10, Midsummer Night Swing at Lincoln Center June 29-July 17.