READ: Steve Mnuchin’s letter refusing to release Trump’s tax returns – including his ridiculous reasoning
Steve Mnuchin appears on Fox News (screen grab)

Treasury Secretary Steve Mnuchin has just informed the chairman of the House Way and Means Committee he will not release President Donald Trump's tax returns, despite a clear law requiring the IRS to abide by the request.

In Secretary Mnuchin's letter, he calls the request "unprecedented," and claims – falsely, according to legal experts – the request "presents serious constitutional questions," and Treasury is "not authorized."

But former U.S. Attorney Joyce Vance makes clear: Mnuchin does not have a choice:

Here's Mnuchin's letter: