The chairman of the House Judiciary Committee expects Robert Mueller to be subpoenaed "way before" the end of the summer if he refuses to voluntarily testify before Congress.

Rep. Jerry Nadler (D-NY) explained the timing during a Tuesday interview with MSNBC's Ari Melber on "The Beat."

"Has Robert Mueller agreed to come in voluntarily?" Melber asked. "Is there a date by which he has not you would subpoena him?"

"We’re carrying on conversations with him. If we have to subpoena him, we will," Nadler replied.

"Would that be by the end of the summer?" Melber asked.

On Tuesday, in response to the hung jury in the Scott Warren case, actress Piper Perabo declared justice to have been achieved, quoting Dr. Martin Luther King, Jr.'s "Letter from a Birmingham Jail":

"One has not only a legal but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws."~Martin Luther King, Jr.“Letter from a Birmingham Jail” #ScottWarren https://t.co/BsPLDefnCp

On Monday, Rep. Jim Jordan (R-OH) wanted to make perfectly clear that he thought the House Judiciary Committee's hearing with Richard Nixon's former White House Counsel John Dean was a complete waste of time.

"I don't know if they accomplished anything, but this is their pattern," said Jordan, complaining that all Democrats wanted to do with their committee power was hurt President Donald Trump.

So it was a notable when just a day later, when his committee held an emotional hearing about getting health care for 9/11 first responders sickened by their exposure to toxic dust and chemicals at Ground Zero, Jordan was nowhere to be found: