As stated in other comments, it would be actually easy to implement as it doesn't require a change in the constitution.
Anyway, as I told in another comment, I'm not from the US, so my intention wasn't really to say how to implement the proposal. I just had this idea and wrote it down in a blog post.
Anyway, as I told in another comment, I'm not from the US, so my intention wasn't really to say how to implement the proposal. I just had this idea and wrote it down in a blog post.