July 24, 2016:

Gray-haired couple, quiet slow voices, African-American. In their speech you hear amusement and affection and respect. Sitting together facing the window, watching planes on the tarmac.

Gray-stubble man, thick glasses, thick headphones, thin gray legs with insect bites bare across three seats. Eyes closed, napping: long wait.

Thin gray woman with false teeth, head back, laughing. Talking about Snapchat.