Rocks and Clocks: Cameron Gainer, Mark Hagen, Emilie Halpern and Mungo Thomson AMBACH & RICE GALLERY 6148 Wilshire Blvd Los Angeles, CA 90048 APRIL 6 - MAY 18, 2013 Gallery Hours: Tuesday – Saturday, (11am – 6pm) and by appointment Civilization is revving itself into a pathologically short attention span. The trend might be coming…