Thanks to the Museum of Fine Arts’s ongoing exhibit Walk This Way, shoe-loving Bostonians have found a new excuse for their obsession: They’re not just conspicuous consumers, they’re art collectors. The exhibit—which shows shoes as pieces of art as well as symbols of wealth and power throughout the ages—is cleverly spread throughout the MFA’s galleries, organized, according to the program, as a “treasure hunt” for visitors. (Bostonist’s companion had more fun reading the map than......