The US unwillingness to project power is a direct result of its current leadership. The US capability to project military force is, for better or for worse, pretty extreme in the global context. The ability to support a protracted conflict would depend on the support of the population, but it’s unwise to think that the current administration is a reflection of potential. When the court jester carries the sword, it’s a blunt and careless rod, but that same sword in the hands of a master is an instrument of lethal precision.

The sword remains unchanged.