Consider the koi, a suitable comparison because Japan won the Women's World Cup. It now and then rises to the surface for a gulp of air, then sinks again into the depths. So it is with women's soccer every four years. The buzz of Germany 2011 will not be felt again until Canada 2015. By then, Women's Professional Soccer might have joined the dodo and WUSA, the previous attempt to make women's soccer fly in the U.S.