The New York fine art scene’s signature open house, Just Off Madison, returns May 21. The art walk invites the public into its participating galleries for extended hours, giving them the opportunity to view extra special works of art, shop new pieces and talk one-on-one with American art experts. Spanning the blocks of Madison Avenue, participating galleries include Jonathan Boos, Taylor|Graham, GRAHAM SHAY 1857, Debra Force Fine Art, David Tunick Inc., Kraushaar Galleries, Lois Wagner Fine Arts, Avery Galleries, Betty Krulik Fine Art, Meredith Ward Fine Art, James Reinish & Associates, Conner • Rosenkranz, and Menconi + Schoelkopf. In addition to staying open late for the event, each of the participating galleries will have a special selection of artwork on view highlighting a pertaining topic or category of American art.…