I actually design rail bridges and highway bridges.
Tell your facebook buddy that building a railway thru a wasteland with defacto slave labor is slightly cheaper than building one thru the middle of the most expensive real estate on the face of the earth with California union labor.
See if that rings any bells.
It is worth pointing out that the amount of money that was spent in iraq and afghanistan, for basically a giant scam, would have been plenty to make the US transportation system into the best in the world with a shitload of money left over.
War is a racket, the biggest swindle in the world.
I can build a bridge for $1M that would serve the public every single day for 100 years, with all the cost going right into american labor and materials.
Instead that exact same sum will put exactly 10 US soldiers on the ground in afghanistan.
Here's the problem - heavy construction work is high risk and low profit. But dropping a $50K bomb on a sand dune is high profit.
Our government is like a wino that smashes your $400 car window to get a quarter off the dashboard.