It is a crisp October evening in Washington, D.C. There is no snow falling, but the temperature has dropped considerably from the afternoon to this late evening. People are moving rapidly down the street bundled in their winter garb, looking like heavily clothed energizer bunnies, but it is not unusual as D.C. always has a distinct undercurrent of electricity that is almost palpable.
The streets are dotted like blue M&M’s with miniature zap cars (www.zapcar.com) …