Who was the smarter candidate in past presidential elections?

[WillK]

1796/1800/1804 - Thomas Jefferson (Adams was no slouch and Pinckney certainly wasn't stupid either - Jefferson is just one of the most brilliant people to ever live)

Rubbish.  Adams was definitely smarter; Pinckney possibly.

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I'd pick King over Monroe.

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Id say Adams over Clay.

1836 - Martin Van Buren, or Daniel Webster among all

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James G. Birney for both elections

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I might pic Bell

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Wow, some intense Grant hatred.

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Not a chance.  Garfield by a mile. 

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Really?

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I think Hughes was smarter.

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I think your expectations are misplaced -- I agree about Hoover, not about the other two.

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Didnt you earlier say that "Roosevelt was a "C" student at Harvard after never receiving a single grade higher than a "B" at his elite prep school"?  I'd pick Dewey.

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Dukakis was smarter.

[WillK]

To the OP:

What do you mean by "certified geniuses"?

He wrote "certifiable" which according to the American Heritage® Dictionary of the English Language means either
1) something that can be certified
or
2) Fit to be declared insane.

Could it be number 2?