If coffee is for closers, the Washington Capitals may be the most over-caffeinated team in the League. The Caps have posted a very solid 22-1-1 record when leading after two periods, and are second on the circuit with a .316 win percentage when trailing after 40 minutes via a 5-7-4 record (which has them as the only club in the League to secure points in more than half of the games in which…