Donald Trump says he's willing to shell out at least $100 million to win the Republican nomination for president but hasn't spent any of his budgeted $15 million for campaign ads because of all the "free nationwide publicity" he has been receiving, The New York Times reports. In an interview with the Times after a Thursday night rally, the real estate billionaire said $100 million would be at the lower end of what he's willing to commit to winning the GOP nomination a record for self-financing in a presidential contest.