Commentary: National security leaders stand with Biden

We are three of nearly 800 retired generals, admirals, ambassadors and other national security senior leaders who recently signed an Open Letter to America. We urge veterans and voters to support Joe Biden. We are troubled and concerned about what’s happening to the nation we love and have defended. The president has failed in his leadership, and it is time for a change.In all our years of military service, we have never heard any leader utter what came out of Donald Trump’s mouth &m