>> they deserve to know if their president is dealing in the foreign affairs of other countries, and whether other countries are dealing in our foreign affairs, and if you don't think i'm talking about russia, you're wrong. >> reporter: but at least for the moment, it's unlikely to happen. here's were. it's democrats who are clamoring to use this power. and democrats don't control anything on capitol hill. >> that law directs us to look at tax administration. that is clearly not the case here. kevin brady chairs the house ways and means committee and has pushed back hard that this lines up with the intent of the law at all. >> if you let congress begin rummaging around for political purposes in the tax returns of the president, what stops them from doing it to every day americans. that would be an abuse of power. >> reporter: brady's point, despite trump breaking nearly 40