How the Army could end Vindman's career without an investigation

The Army is not investigating Lt. Col. Alexander Vindman for testifying during the House impeachment inquiry despite President Trump's wishes. But an anonymous retired senior Army officer told The Daily Beast that doesn't necessarily meant the coast is clear for the Purple Heart recipient.For starters, the Army could always change its mind and wind up launching an investigation into whether his testimony was appropriate. But there's also a chance his career may hit a wall. If Vindman is denied a