Here’s Why Congressional Approval for War Is So Important

In my previous post, I complained that I wasn’t sure what would prevent further escalation in Iraq “aside from Obama’s personal convictions.” A friend emails to ask just what I’d like to see. In the end, aren’t the president’s personal convictions all that prevent any military operation from escalating?

It’s a fair point, and I’m glad he brought it up. The answer, I think, lies in congressional approval for military action, and this is one of the reasons I think it’s so important. If Obama is truly serious about not sending combat troops into ISIS-held areas in Iraq, then let’s get a congressional resolution that puts that in writing. Let’s get an authorization for war that spells out a geographical area; puts a limit on US troop deployments; and specifically defines what those troops can do.

Would this be airtight? Of course not. Presidents can always find a way to stretch things, and Congress can always decide to authorize more troops. But nothing is airtight—nor should it be. It’s always possible that events on the ground really will justify stronger action someday. However, what it does do is simple: It forces the president to explicitly request an escalation and it forces Congress to explicitly authorize his request. At the very least, that prevents a slow, stealthy escalation that flies under the radar of public opinion.

Presidents don’t like having their actions constrained. No one does. But in most walks of life that deal with power and the use of force, we understand that constraint is important. Surely, then, there’s nowhere it’s more important than in matters of war and peace. And that’s one of the reasons that congressional authorization for war is so essential.