The art of winging it: For CrossTalk, the speaker series sponsored by the Katonah Museum of Art and the Katonah Village Library, experts in different fields are thrown together, and a conversation between them evolves naturally. The process is totally engrossing. “There’s no telling how their themes will intersect, or how the participants will click. It’s the fun of letting go of and trusting that our experts will create a great mash-up,” says Allison Chernow, director of development for the Katonah Museum. Look for a CrossTalk with founding artistic director of The Hudson Valley Shakespeare Festvial Terrence O’Brien and The Peak’s on-air personality Jimmy Fink on July 15.