This article examines the reasons and feasibility of a potential U.S. withdrawal from NATO. It questions the founding principles of the alliance and analyzes recent developments creating internal disagreements.

Why does the U.S. administration believe that NATO’s founding principles and membership need to be ‘re-examined’? Why was NATO formed, and what are the recent developments that have led to fissures? Can the U.S. easily exit NATO? How much does it contribute to the alliance?