India, Sept. 10 -- The US Open Final will be remembered for the victory of ageism and the defeat of its embedded implication of fading away. For if we pan the performance of Rafael Nadal, Roger Federer and Serena Williams, then it is clear that there is shelf life yet for star power in tennis and they still have endurance enough to last out the nerve-wracking uncertainties of competitive sport, own and dominate it even. Significantly, their standards have been emulated by the young as both Federer and Serena lost to learners who idolised them, the former in the quarter final to Grigor Dimitrov, lovingly called "Baby Federer" and the latter in the final to Bianca Andreescu, who has much of Serena's bestial hunt and presence on the courts. ...