With the approach of tax day, a recent segment on NPR's All Things Considered delved into the issue of President Trump's tax returns - specifically, his refusal to release them, and the efforts by lawmakers to force their release. A panel of state and local lawmakers and law professors provided commentary. Dean Vikram Amar was a guest on the show, and he was wary of efforts by lawmakers to force the release.

What is clear, he says, is that the Constitution prohibits laws that single out a person or group for punishment.

"You shouldn't have a rule for Trump only. You know, the Republic is going to be around a lot longer than any one president, and we ought to keep that in mind."

Full segment and transcript