North Atlantic Treaty Organization (NATO)

"Implementing NATO 3.0 in any meaningful sense requires the administration to name the threat that the alliance exists to deter," Council Vice President of Research for Security and Defense Ariane Tabatabai and John Drennan write.

As foreign ministers from Denmark and Greenland prepare to meet with Trump officials, Ambassador Julianne Smith explains what US actions to acquire the autonomous territory could mean for the United States’ most important alliance.

The gap between Democrats and Republicans on America's NATO commitment has reached an all-time high in Council polling dating back to 1974.

And bipartisan majorities of Americans support admitting new members to the alliance, Council polling shows.