They're toppling like dominoes"long-established restaurants and institutions that can't keep up with the rising costs of doing business in Manhattan. Lately, the Boat Basin Cafe at 79th Street has shuttered after 22 years. In quick succession, the Upper East Side artsy French bistro Demarchelier has closed after 41 years, Chelsea Flea after 40 years, and after 30 years, Union Square's Coffee Shop and City Bakery. One…
