There is a sort of blurring of the lines from the perspective of the US security establishment.

One new piece of information the long-term perspective gives us is that the temperature in the region over the last decade was warmer than during the past two centuries. There are not many records of actual ocean temperatures, so adding ocean measurements to the pool, that's one more piece of information that makes a strong case something unusual is going on.

It's hard for me to imagine a Latin American country cutting off its nose to spite its face.

The left in 2006 in Latin America is far different than in 1976.

There are so many factors that would undermine his chances for success.

You've got a border situation that's getting more difficult from a security perspective than it has been, so your pool of labor has been reduced significantly.