After the "Beltway Primaries", Obama finally took a definitive lead, and it looked like it was all over for Hilary--but he couldn't knock her out, and that says as much about him as it does about her.

As a person, for good or ill, Hilary is aggressive, persistent, and tenacious. She doesn't let up, and she doesn't lose her focus.

Obama isn't as tough--but he needs to be if he's going up against McCain--