President Trump’s former fixer Michael Cohen was sentenced Wednesday to three years in prison for tax fraud and campaign finance violations for helping to orchestrate hush money payments to adult film actress Stormy Daniels and model Karen McDougal. It was also announced Wednesday that prosecutors will not charge AMI, the parent company of the National Enquirer, for the paper's role in silencing McDougal, because the company agreed to cooperate with prosecutors.

Read more: What You Need To Know About Another Wild Week In The Russia Investigation

But even if prosecutors agree that Trump broke the law, can they do anything about it? It's against Department of Justice policy to indict a sitting president. However, that policy has never been tested in court, and now some lawmakers and legal scholars are arguing that it is unconstitutional to have a ban on charging a sitting president with a crime.

Jim Braude was joined by Harvard Law School Professor Laurence Tribe, who made such an argument this week in a Boston Globe op-ed, and who is also the author of "To End A Presidency: The Power of Impeachment."