There are cycles in American politics. US cycles are even more pronounced because we Americans have a totally entrepreneurial presidential system. We don't have parliamentary opposition parties with a shadow prime minister and shadow cabinets. Every four years, the opposition reinvents itself.

American public opinion, as you can see in the polls, radically changed from being against airstrikes to being heavily in favor that [President Obama] decided to do airstrikes. This is a classic example of leading from behind where he waits for public opinion. And now it's the public who's demanding he do something.

This week, Iranian-backed Houthi rebels seized control of the Yemeni government, heretofore pro-American. In September, they overran Sanaa, the capital. On Tuesday, they seized the presidential palace. On Thursday, they forced the president to resign.

The conservative idea is not that government has no role. You might have argued that in the thirties when conservatives opposed the New Deal.

A drone is a high-tech version of an old army and a musket. It ought to be used in Somalia to hunt bad guys, but not in America. I don't want to see it hovering over anybody's home.

This is how the great post-partisan, post-racial, New Politics presidency ends - not with a bang, not with a whimper, but with a desperate election-eve plea for ethnic retribution.

The great divide in American foreign policy thinking is between those who believe in paper and those who believe in power.