AVON, CONN.- I’m sitting alone, in my red sedan, in the parking lot at 40 Tower Lane, an office building where I last worked in 1991. It’s late at night. Rain pelts the pavement. And those who now work here have long since gone home to their spouses and families. I’m parked in the very spot where my best friend became more than that one fateful October afternoon. Pam had invited me to lunch that day to celebrate my birthday….