Tax 'em too hard and they will pick up their balls and go play nice in a state that doesn't tax 'em too hard. DUH.
Risky business: States tax the rich at their peril
They're rich. They can leave. Also, they're rich and employ folks. If they go, so go the jobs. DUH.
Then there is always this...
US income gap widens as poor take hit in recession
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