President Donald Trump has so far fired his first Homeland Security Secretary (Kristi Noem), attorney general (Pam Bondi) and Labor Secretary (Lori Chavez-DeRemer), but his Defense Secretary seems to be secure in his job — despite a former Republican presidential adviser recently describing him as “he Most Ignominious Military Leader of All Time.”Quoting Rep. Jason Crow (D-Colo.), who is a veteran of the wars in Afghanistan and Iraq, former Pres…