The New York Islanders and New York Rangers are enjoying contrasting fortunes; while the former are floundering from game-to-game, riding the worst skid currently in the NHL, the latter are flying-high in the Eastern Conference, buoyed by back-to-back statement-making wins  over NHL Premium teams – a 7-0 dismantling of the Washington Capitals and a 4-1 trouncing of the Pittsburgh…