This week on "Face the Nation with Margaret Brennan," new questions about possible criminal misconduct by former President Donald Trump and concerns about his handling of some of our nation's most sensitive national security secrets. Plus, an exclusive look at a new report about what went wrong in Afghanistan, and a look at the country's teacher shortage and its potential impact on our children.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.