[IMR 4350]

A dog turd will never become a diamond.

[RipSawyer]

“A dog turd will never become a diamond.”
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Actually if it contains enough carbon a dog turd under sufficient heat and pressure might actually become a diamond, I would say there is a far greater likelihood of a dog turd becoming a diamond than of Obama becoming a great president.

http://www.youtube.com/watch?v=H1CXSuBnD4c