>> maybe i'm going to do the tax returns when obama does his birth certificate. >> the state of hawaii released my official long-form birth certificate. ♪ >> if i decide to run for office, i'll produce my tax returns, absolutely. >> i am officially running for president of the united states. >>> and john oliver also joined in, giving trump and his taxes a late-night treatment as only john oliver could. >> on friday morning, he attempted to justify not releasing his tax returns, and it did not go great. >> there have been many presidents that have not shown their tax returns. >> actually, every single nominee since 1976 has released their tax returns. >> right, before 1976 people didn't do it. >> yeah, sure. but there were a lot of things we did before 1976 that seem crazy now, like smoking on airplanes and thinking elliott gould was a major sex symbol. the point is, times have changed. >> indeed. and that is your morning dish of "scrambled politics." let's bring in author ellis