Sam Stosur and the GOAT Debate (Steffi and Serena)

Graf-esque (esque and fjord need more uses) Samantha Stosur put together a comprehensive win against the most dominant female player since the Graf-Seles Era.  She did it by hitting big forehands and serves, moving well, being fit, and slicing her backhand.  Sound like anyone else?  Sure Sam can hit a two handed topspin drive, but…