From a reader, building on on this suggestion:
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            Section 1.  No person shall be President or Vice President, or a Senator or Representative, whose relative by blood or marriage within the sixth degree of kindred according to the common law has held such office within the preceding one hundred years.

            Section 2.  No person shall be President or Vice President who has ever been a regularly enrolled student in any college, school or other division of Yale University.

(Sixth degree of kindred is second cousin, great-great-great uncle/aunt, or great-great-great-great grandparent.)

Admittedly this would leave the field open to a Taft in 2012, but democracy always carries risks.
     DN (Yale grad)

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