For President Donald Trump, questions about transparency start with his taxes, and why he's breaking with tradition and not releasing his returns.

In fact, presidents and vice presidents are automatically audited by the IRS, which hasn't stopped other chief executives from making them public.

Donald Trump is the first president in more than 40 years not to make his tax returns public. The president says only reporters care about the issue.

An enemy of yours is an enemy of mine; an enemy of mine is an enemy of yours; if an enemy of mine is not an enemy of yours, then you're an enemy of mine.

For President Donald Trump, questions about transparency start with his taxes, and why he's breaking with tradition and not releasing his returns.

Thousands of people marched in cities around the country to demand that Donald Trump release his taxes. He dismissed them with a tweet: "Someone should look into who paid for the small organized rallies. The election is over."

We are a nation of laws. And nobody can ignore our Constitution. No one's above the law. And that includes the president of the United States.