CLAUDIA GRISALES, BYLINE: Virginia Democratic Sen. Tim Kaine believes reports of President Trump's negative comments about service members and controversial decisions as commander in chief will cost him. GRISALES: But a recent Military Times poll found Trump's support slipping with the troops in a preference for Democratic presidential candidate Joe Biden. FEAVER: The military voters have probably already shifted a little bit away from President Trump towards the Democrats - and in this case, towards Biden.