George Romney was vetted when he ran for president.
GR was born in Mexico to two parents both US citizen, which made him a RM a US citizen.
MR was born on US soil.
http://www.sodahead.com/fun/are-we-sure-mitt-romney-is-eligible-to-be-president/question-2388237/
Are we sure Mitt Romney is eligible to be President?
http://www.wnd.com/2012/01/is-romney-eligible-to-be-president/
IS ROMNEY ELIGIBLE TO BE PRESIDENT?
The jury is still out on this issue. Why have American voters been given the choice of questionable candidates in the last two elections? The shadow government is attempting to set a precedent for non-natural-born candidates to become president.
Oh Now This is Interesting George W Romney was not a natural born citizen