Can Nadal reach 16 grand slams?

A few months ago I would have said that there was no chance that Rafa could catch Federer in the grand slam department...now I'm not so sure. Check out this article from Tennis Planet (an excellent blog by the way) to see his thoughts...

http://tennisplanet.wordpress.com/2010/07/10/what-can-guarantee-that-nadal-will-reach-exceed-no-16/