SANDWICHED IN: Nine First Ladies from New York. Of America’s 46 First Ladies, nine were born in New York State. This illustrated lecture by Elizabeth Kaplan explores the lives and legacies of these women. The most recent are also the most well-known: Eleanor Roosevelt, Jacqueline Kennedy Onassis, Nancy Reagan and Barbara Bush. But the others have stories deserving to be re-discovered. 12:10 p.m.