Trump Says U.S. Should Shoot Russian Planes If Diplomacy Fails

[Ucouldntbemorewrong]

mornelithe said:

gintama said:
he will be a source of enjoyement until he declare WW3 lool

Congress declares War, or authorizes the President to do so.  The President cannot do so unilaterally.

Ah, but it's a two way street, I think your missing the point. Someone other than US can declare war against the US.