Donald Trump has been lying about Oprah Winfrey to “exaggerate his importance” to her, a report says. Trump took a shot at Oprah on his Truth Social platform late Saturday night, saying she is not the woman he once knew after watching her sit-down interview with Vice President Kamala Harris. On Truth Social, he wrote, “A long time ago, Oprah Winfrey asked me to do her last Network Television Show. The final week of her show was a big deal, and it was my honor, with my family, to do it. When I watched her interview yesterday with a woman who is destroying, through her complete and total incompe…