A group of former federal judges asks the court to probe the "slush fund." Also, Sen. Cory Booker demands DHS shut down a NJ ICE facility. Plus, polls show a tight race for Ohio's U.S. Senate seat. And The Wall Street Journal reports suspicious oil trades trigger an investigation. Rep. Jamie Raskin, Sen. Cory Booker, Sherrod Brown, and David Uberti join Lawrence O'Donnell.