Santorum’s Millionaire Donor Mum on Why He Gave so Much

Louisiana energy executive William Doré wrote a $1 million check last month to help Rick Santorum win the U.S. Republican presidential election -- a contribution that came out of the blue, according to the former Pennsylvania senator’s other major donor.

Doré is among 14 individuals who, through themselves, their companies and their spouses, have given $1 million or more so far this election cycle to support a particular presidential candidate, Center for Responsive Politics data show.