text:  Joel, how will the Justice Department make sure that Boeing holds up its end of the deal this time around? That is a big point of contention here. Under this deal, Boeing has agreed to have an independent monitor for the next three years to make sure the company is complying. This is a tool that the Justice Department uses regularly in cases of corporate malfeasance. And I talked to Veronica Root-Martinez, who is an expert on independent monitors at Duke University School of Law. Here's part of what Martinez had to say.