Obama, Romney, Clinton and Bush -- or not: Great presidential impersonators on TV

Obama, Romney, Clinton and Bush -- or not: Great presidential impersonators on TV: Lots of actors portrayed the younger Bush on TV -- but Ferrells SNL portrait was the sharpest.

(NBC)

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Will Ferrell as George W. Bush

Lots of actors portrayed the younger Bush on TV -- but Ferrell's SNL portrait was the sharpest.