As has been EVERY single "war"... at least during my lifetime.
We've had "wars" on poverty, "wars" on illiteracy, "wars" on crime, "war" on being overweight, "war" on cholesterol, "wars" on mosquitos - you name it, we've had or are gonna have a "war" on it.
By now, you can pretty much figure that if the US government declares a "war" on anything - it's already a lost cause...