Invoking the contentious security pact could create more problems than it solves.
US intelligence partners will continue to share information but with more restrictive protocols.
Democrats may win upcoming special elections but the party is far from a Congressional majority.
Blowback from the US decision to arm the Kurdish YPG could reverberate for decades.
If Trump pulls the US out of the Paris Agreement, the administration will find itself isolated.
The greatest threat to NATO is neither Russia nor terrorism but neglect.