Riding The Underground Range With Abbie

Riding the Underground Range with AbbieOne April day in San Francisco last year, I was awakened at the crack of noon by the trill of my doorbell. A postman with an American-flag lapel pin handed me a letter with four cents' postage due. Inside was a cryptic note: "Hi! Greetings from The Underground! Wanna rendez-vous? Go to a pay phone and call -- 11 P.M., April 15. 11:05 will be too late. Your old pal, Abbie." The postmark was Seattle; the area code, Miami. I pictured a coast-to-coast...