Smashing StatuesAn urgent and fractious national debate over public monuments has erupted in America. Some people risk imprisonment to tear down long ignored hunks of marble; others form armed patrols to defend them. Why do we care so much about statues? Which ones should stay up and which should come down? Who should make these decisions, and how? Erin L. Thompson, the country's leading expert in the tangled aesthetic, legal, political, and social issues involved in