Ron Paul revels in the fact that he is the presidential candidate of America's small donors, receiving more contributions under $200 than any other Republican seeking the White House in 2012.But, like every other GOP presidential contender, he also has a mega-millionaire "sugar daddy" helping to fund a super PAC that is promoting Paul's candidacy.Yet while Newt Gingrich underwriter Sheldon Adelson and Rick Santorum super-supporter Foster Friess have shared the campaign stage - and the national political spotlight - with their candidates, Paul's benefactor, San Francisco entrepreneur Peter Thiel, has never met the Texas congressman he's aiding.Who is this mystery...