It turns out that the millionaire GOP establishment donor who bankrolled the anti-Donald Trump skywriting at the Rose Bowl parade on New Year’s Day isn’t just any ordinary donor-class millionaire. He’s backing Sen. Marco Rubio (R-FL)79% , the man who is emerging as the anti-conservative establishment and donor-class candidate for president in 2016. According to the Center for Responsive Politics, Luther Stan Pate IV—an Alabama real estate developer worth millions—has donated thousands of dollars to Rubio’s electoral efforts. On Jan. 29, 2015, Pate donated $5,200 to Rubio—who, at the time, hadn’t yet officially launched a presidential campaign but was acting...