Well, I think the U.S. has been careful not to go too far in attacking Iran's allies, in particular in attacking Hezbollah forces in Syria, which have been propping up the regime of Bashar al-Assad.

I believe, that there is at least de facto cooperation between United States and Iran, at least in Iraq.

A change of strategy suggests there is a strategy. I don't see a strategy that deals with - that concerns with dealing wit with ISIL overall. There is some sort of strategy for dealing with it in Iraq. I'm not sure there is one in Syria. And Libya is another problem altogether.

Luck is the residue of good planning.

Retrospective analysis is not a useful guide to current problems.

If democracy succeeds in Egypt, other countries will follow. Should the democratic experiment in Egypt be hijacked by the military or anti-democratic Islamist groups, the revolution will fail elsewhere.

Global warming ... may be a plaintiff lawyer's dream. And it's interesting, in a perverse way, to imagine how a jury in 2050 might react to some of the recent industry-backed studies minimizing the dangers of global warming. I suspect future jurors will not be amused.