Weekly Roundup (Nationwide Edition)

Weekly Roundup: Gabriel Orozco. 'Red Flower Shadow,' 2011. Courtesy the artist and Marian Goodman Gallery, New York. "In this week’s roundup Gabriel Orozco paints with vectors, Florian Maier Aichen explores new forms of photography, Cindy Sherman is honored, several artists contribute calls to action and explore environmental sustainability, and much…