Trumps behavior is the biggest threat to U.S. national security - By Lawrence Summers

[DonViejo]

Confusing civility with comity is a grave mistake in human or international relations. Yes, the Group of 20 summit issued a common communique after the leaders’ meeting. Some see this as an indication that some normality is being restored in international relations between the United States and other countries. The truth is that at no previous G-20 did the possibility occur to anyone that a common statement might not be agreed to by all participants.

Rather than considering agreement on a communique as an achievement, it is more honest and accurate to see its content as a confirmation of the breakdown of international order that many have feared since Donald Trump’s election. And the president’s behavior in and around the summit was unsettling to U.S. allies and confirmed the fears of those who believe that his conduct is currently the greatest threat to American national security.

The existence of the G-20 as an annual forum arose out of a common belief of major nations in a global community with common interests in peace, mutual security, prosperity and economic integration, and the containment of global threats, even as there was competition among nations in the security and economic realms. The idea that the United States should lead in the development of international community has been a central tenet of American foreign policy since the end of World War II. Since the collapse of the Soviet Union, the aspiration to international community has been an aspiration to global community.

Trump’s rhetoric has rejected the concept of global community and expressed a strong belief that the United States should seek better deals rather than stronger institutions and systems. It has become clear that Trump’s actions will match his rhetoric. The United States is now isolated globally on the question of how to deal with the grave long-run security threat of climate change. It has forced the G-20 to back way off of commitments to reject protectionism. And in part because of U.S. attitudes, the G-20 was mute on international migration at a time when refugee issues are more serious than at any moment in the past 50 years.

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https://www.washingtonpost.com/opinions/trumps-behavior-is-the-biggest-threat-to-us-national-security/2017/07/09/a5d3a842-64a8-11e7-8eb5-cbccc2e7bfbf_story.html

[BigmanPigman]

1. His base wanted, and still does, him to "shake things up"

and be different from run of the mill politicians. When he tweets stupid, harmful BS it is to keep his fan base happy. It works and he will continue to do so.