[Dog Gone]

Bush won by more in Houston than Kerry did in Pittsburgh, so that ain't it. And it isn't really proportional margin, or you'd see gigantic cities all over the map.

[Atlas Sneezed]

Bush won by more in Houston than Kerry did in Pittsburgh, so that ain't it.

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Harris County (Houston) had a margin of 108k.

Hamilton County (Cincy) had a margin of 25k.

And the map shows Harris 4 times as tall as Hamilton (note that the counties outside of Cincy show a greater margin.)