Slainte! Don your best green garb for “Shamrocks and Shenanigans,” a St. Patrick’s Day-themed Art on Tap 2.0 planned for 6 to 8 p.m. Friday at The Westmoreland Museum of American Art, 221 N. Main St., Greensburg. The 21-and-older happy hour will feature a specialty cocktail, locally brewed green beer,