No one will really understand politics until they understand that politicians are not trying to solve our problems. They are trying to solve their own problems - of which getting elected and re-elected are number one and number two. Whatever is number three is far behind.

Since terrorists are pouring into Iraq in response to calls from international terrorist networks, the number of those who are killed is especially important, for these are people who will no longer be around to launch more attacks on American soil. Iraq has become a magnet for enemies of the United States, a place where they can be killed wholesale, thousands of miles away.

The first rule of economics is that there is an infinite number of desires chasing a finite number of goods, services and resources. The first rule of politics is to ignore the first rule of economics.

However little president Obama knows or cares about economics, he knows a lot about politics - and especially political rhetoric. 'High-speed rail' is simply another set of loft words to justify continued expansion of government spending. So are words like 'investment in education' or 'investment' in any number of other things, which serves the same political purpose.