New York Daily News: “Slowly but surely, the GOP is narrowing down its list of presidential candidates. The big prize — aside from the presidency itself — is still the nearly $1 billion contribution the kingmaking Koch brothers, Charles and David, will reportedly throw behind the conservative agenda next year. According to a political insider who ran into David Koch at a recent event in Manhattan, Florida Sen. Rubio is the front-runner for dough now that Wisconsin Gov. Scott Walker is out of the race.”