Army Secretary Dan Driscoll is facing heavy criticism after he ordered that all accounts associated with the Army unit "Soldier for Life" (SFL) be shut down after the unit shared a post on social media celebrating Illinois Democratic Senator Tammy Duckworth's military service.Duckworth is a double amputee who lost both of her legs in combat in 2004 when her Black Hawk helicopter was hit by a rocket-propelled grenade fired by Iraqi insurgents. SF…