Excuse me, but a mental giant would not get divorced and remarried multiple times, cheating all the while, and then run for POTUS!
Assuming that intellect and fidelity are related is beyond foolish, to presume lack of fidelity equates to little intellect is just as rediculous.
You wish to argue that Newt is not the smartest guy in this race, that’s fine, or that Santorum is just as smart, that’s fine do, but do so with some real evidence, not ad hominem attack on Newt.