TikTok COO Vanessa Pappas refused to commit to stopping the transfer of US data to China . During testimony in front of the Senate Homeland Security Committee, Pappas was asked by Sen. Rob Portman (R-OH) if the company would commit "to cutting off all data and data flows to China, China-based TikTok employees, ByteDance employees, or any other party in China that might have the capability to access information on US users?" Pappas repeatedly refused to answer the question – instead deflecting with a promise that the outcome of the company's negotiations with the Biden administration would "satisfy all national…