“death of diplomacy”
Depends on how you define diplomacy. With Obama it means Americans embrace servitude. The Iranians may have to adjust to President Trump who is willing to use American power.
Obama never once used American power to enforce its will.
Military action is the end of diplomacy, the far end. Threats of military actions are the bread and butter of good diplomacy and alliances like NATO are rock solid part of them.
RP needs to study more.
DK