Sen. Ben Sasse, R-Neb., a frequent critic of China, took a firm stand on Friday against the smartphone app that everyone attending the 2022 Winter Olympics in Beijing is required to use : “Delete the spy app,” he urged in an op-ed article. Sasse, noting that cybersecurity researchers had found vulnerabilities in the My2022 app, warned in the article that “CCP spies can use flaws in My2022’s security to steal data,” a reference to the Chinese Communist Party. He said that “authorities may have insisted on building these weaknesses into the app — but even if they didn’t, we can…