Re: Why are there only two cities in the future? (spoilers)
You'd think that San Franciscans and Londoners would be proud that their cities survived Trek's WWIII intact. (I figure they had to - there's no way cities that big could be completely rebuilt from scratch in only 200 years.)
It is by caffeine alone I set my mind in motion. It is by the beans of Java that thoughts acquire speed, the hands acquire shakes, the shakes become a warning. It is by caffeine alone I set my mind in motion.