Well, exactly what is the object of the declaration of war? ISIS? If they are obliterated another group will pop up under a different banner with the same objectives. The problem is Islam, and it’s all over the world. How do you send troops to deal with that? Considering western nations have welcomed the enemy into their countries wit open arms, how does a declaration of war solve that problem?
This is not some conventional army that wears uniforms and marches across borders. This isn’t another WWII. The only solution is to send all Muslims back to Muslim countries and let them have their Shia/Sunni fight until there are none left.
All who would do us harm.
I hope your extended family is in a REALLY safe place.
I hope your electrical infrastructure is hardened.
Let then pick which one.