Former defense secretaries share responsibility for delaying a professional military response that might have protected the U.S. Capitol on Jan. 6.Last week, Politico reported that some current and former military leaders are freaking out because 124 retired “Flag Officers 4 America” dared to post a public letter stating at the top, “Our Nation is in deep peril.” Politico’s headline described the volunteer veterans’ “Open Letter from Retired Generals and Admirals” as “disturbing and reckless.” The letter triggered critics by addressing several issues, such as the border crisis, China and Iran, the Keystone Pipeline, crime, freedom of speech, Big Tech, election...