How does one go about overshadowing players the caliber of Roger
Federer, Andy Murray and Rafael Nadal?  Simple. You do a Novak
Djokovic.  You push yourself and your opponent to both your
limits, and then say, "You know what, forget this." You then go
on to show what appears to be unlimited power, grit and
determination.  Is that possible? It certainly shouldn't be.
Much of the story of 2012 was written at the Australian Open.
And at the end of that tournament, we learned a number of
things.  Firstly, that Djokovic seemed to have enough in reserve
to take on any of his three main rivals even if he needed a
week's rest and they were as fresh as daisies.  Secondly, that
the definition of 'down and out' with regards to Djokovic was
obsolete.  Thirdly, and perhaps most poignantly, his tennis game
was at a level that none of Nadal, Federer or Murray could
depend upon themselves to reach with regularity against
Djokovic.  Yesterday's final was simply a stark reminder of
those "facts."  Federer began the match in m