What do you want to do when you've finished? <a href=" http://www.7pennies.com/stendra-drug-interactions/ ">is stendra available now</a> He not only beat Federer, he announced that he had moved, finally, into a clearly superior category, younger, faster, stronger and capable of playing some quite astonishing shots. Six years, and 16 Grand Slam titles his junior, he did something to Federer that could not be obscured by the running time of four hours, and five sets, of their Australian Open semi-final. He took away more than Federer's hopes of maybe one last big-time duel with the ferociously in-form Novak Djokovic.