Bob’s Halloween costume is a blue bat with purple and pink detailing. The costume has two tall ears, wide wings, and a fluffy white collar. Bob wears his signature Minion goggles. This keychain ...

This was a year whose high points included Joan Jonas’s luminous survey, the extravaganza “PST ART,” and the 24-karat beauty of a show “Siena: The Rise of Painting, 1300-1350.” By ...