Kamala Harris continues to gain momentum in her sprint to the White House, and one veteran Republican pollster says Donald Trump is running out of time to turn things around. The former president made two public appearances Thursday at his golf resort in New Jersey, where he offended military veterans with remarks about the Medal of Honor and asserted that he was “entitled” to insult vice president Kamala Harris, and GOP pollster Frank Luntz said the Trump campaign must stop him from turning off more voters with that sort of talk. “They expect it, but it doesn’t mean that they appreciate it an…