Since 2022 we do. But it’s through the political process of the States. This has made a lot of people very angry because a bunch of States have got it all wrong, and the exact way they got it wrong depends on your point of view on the subject, but no matter which side of the debate you’re on, some on your side most assuredly want to preempt all the States that got it all wrong with Federal law.
That Congress hasn’t come to a political consensus is the Federal political consensus.