The British Parliament’s rejection of an attack on Syria is a direct contrast — and implicit challenge — to the political war system of the United States.

“It is clear to me that the British Parliament, reflecting the views of the British people, does not want to see British military action. I get that, and the government will act accordingly,” Prime Minister David Cameron said Thursday night. At least for now, Uncle Sam’s poodle is off the leash.

Now all eyes turn to Congress, where the bar has suddenly been raised. Can the House of Representatives measure up to the House of Commons?