New York's incredibly expensive new subway explains why we can't have nice things

As President-elect Donald Trump is about to take office having promised a burst of infrastructure spending, it's worth taking a look at the newest, shiniest piece of infrastructure in Manhattan and what it says about why it's so hard to get anything big built in major American cities.
On January 1, the Second Avenue subway extension will open about 100 years after it was first proposed — or at least, a little bit of it will, running from 63rd Street to 96th Street.
It's pretty and shiny, a