Vets see many US failures in Kabul. Military intelligence is just one.

Honestly assessing what was going on in the field over the past 20 years is crucial to future military efforts, as well as U.S. global leadership.

While the fall of Kabul to Taliban forces this week produced image after image of heartbreak as Afghans clung to cargo planes and women tried to lift babies over airport barriers in an effort to save them, it was also a baffling theater of the absurd: How could a bunch of guys in flip-flops, with no body armor and nary a fighter jet in...