TikTok CEO Vanessa Pappas at a U.S. Capitol hearing Sept. 14, 2022. A new report Friday found TikTok failed to detect and remove 90% of political disinformation ads in a test done by Global Witness and the Cybersecurity for Democracy team at NYU. Photo by Bonnie Cash/UPI | License Photo Oct. 21 (UPI) — Global Witness and the Cybersecurity for Democracy team at NYU said Friday that Chinese-owned Tik Tok approved 90% of disinformation ads in tests, demonstrating the continuing threat to democracy posed by widespread social media disinformation. The two groups said Tik Tok was the worst-performing social media…