It's a shame really, we will never witness a calendar Slam. The only player who could do it isn't getting any younger. Roger might win RG once, but the Grand Slam is no longer possible, I think.
Fed can't just win AO, Wimby and the US every year. I really believed he could do it this year, but sadly it will never happen. The likes of Nadal and Djokovic are right there, waiting...