RICHMOND, Va. — A smartphone app that athletes and others attending next month's Winter Games in Beijing must install has glaring security problems that could expose sensitive data to interception, according to a report published Tuesday. Citizen Lab, an internet watchdog group, said in its report the MY2022 app has seriously flawed encryption that would make users' sensitive data — and any other data communicated through it — vulnerable to being hacked. Other important user data on the app wasn't encrypted at all, the report found. That means the data could be read by Chinese internet service providers or telecommunications…