California has a huge state debt and Washington has a huge national debt. But that does not discourage either Governor Jerry Brown or President Barack Obama from wanting to launch a very costly high-speed rail system.
Most of us might be a little skittish about spending money if we were teetering on the brink of bankruptcy. But the beauty of politics is that it is all other people's money, including among those other people generations yet unborn.
Spain is about the same size as California, and has a similar population density – and population density is the key to the economic viability of mass transportation, from subways to high-speed rail.
It so happens that I have ridden on Spain's high-speed rail system. It was very nice, especially since I did not have to pay the full costs, which were subsidized by the Spanish taxpayers.