This is not a war with a state. That would be much more clear cut. We are clearly not at war with Yemen. Yemen, the state, is cooperating with US efforts in

This is not a war with a state. That would be much more clear cut. We are clearly not at war with Yemen. Yemen, the state, is cooperating with US efforts in their country. The US gets to unilaterally go to war with individuals (that are part of a larger movement that relies on extreme violence against non-combatant civilians to achieve its goals, it is important to remember) because they've unilaterally gone to war with the US.