A city is where you can sign a petition, boo the chief...

A city is where you can sign a petition, boo the chief justice, fish off a pier, gaze at a hippopotamus, buy a flower at the corner, or get a good hamburger or a bad girl at 4 A.M. A city is where sirens make white streaks of sound in the sky and foghorns speak in dark grays. San Francisco is such a city.