Reply #3: I understand that

[ProSense]

but that was specifically for unilateral action. The U.S. led the invasion of Iraq while misleading Congress even after securing an AUMF. The Afghanistan war was basically a declaration of war by Congress.

This action is U.N approved. From what I understand the resolution specifically states, no ground troops.

"If this war goes badly, not getting that authorization will mean that it is just on Obama's head."

The military action sanctioned by the U.N. will still be separate from the U.S. authorizing a war. Congressional authorization, including funding, would be required for the U.S. to take any action beyond the U.N. parameters.