In the 20th century, we built a lot of walls - we endlessly tried to build walls between us and people we perceived, correctly or incorrect, as our enemies. In the 21st century, because of the advent of networks, the free movement of goods and people across the globe, we need to build security by building bridges instead of building walls.

During the early 1990s, Mexico's domestic political sensitivities meant that it rarely extradited people who had committed crimes in the U.S. After NAFTA, extradition numbers began to increase until they surpassed 100 a year in the late 2000s.

The NATO treaty is crystal clear on this one: An attack on one nation shall be regarded as an attack on all of them.

James G. Stavridis Quotes