One vote isn't enough. Just Obama was insufficient when congress was not sufficiently aligned.

That’s the separation of powers at work, which is desirable. Congress has to (and can) do it. Obama, unlike Trump, would sometimes back down when he met the edges of executive authority. That’s how it should be.

I wanted Gitmo closed, but I don’t want it closed in a way that further expands the executive branch by once again nibbling at the edges of another branch’s authority.

No, they refuted their strawman.