Has it been six years already? By Graydon Carter and Alessandra Stanley It seems funny now, but on July 20, 2019, we were so excited—and nervous—about the first issue of Air Mail that a group of us gathered at the office on West Ninth Street at five a.m. to watch the first batch of Saturday e-mails go out, holding our breath like NASA engineers launching the maiden voyage of the Space Shuttle Columbia in 1981. Only chief technology officer John Tornow, who pressed Send from mission contro...