Even George Romney's birth in Mexico was an issue when he ran for the Republican nomination in 1968.
But any objections regarding Obama's father not being a citizen in 2008? Nary a peep. At least, not an audible one.
Not until after the election. Not until after the true location of his birth had become a credible question.
Fear mostly. Fear of being labelled a racist by the liberal mainstream media. Roger Ailes shut down any dissent from commentators on FOX news.