The photographs in Richard Misrach's "Destroy This Memory" are a stark, affecting reminder of the physical and psychological impact of Hurricane Katrina as told by those on the ground, and seen through the lens of a contemporary master. Rather than simply surveying the damage, Misrach--who has photographed the region regularly since the 1970s, most notably for his ongoing "Cancer Alley" project--found himself drawn to the hurricane-inspired graffiti:...