Monday night’s debate between Hillary Clinton and Donald Trump will be a battle of facts—and, perhaps more likely, half-facts and flat-out lies. Both candidates, after all, have called out for being exceptionally untrustworthy in a profession that’s not known for its uprightness.At the New Yorker, David Remnick has said of Clinton, “[She] has had her bald-faced moments—moments that are too kindly described as ‘lawyerly,’” while Nicholas Kristof recently wrote, “If deception were a sport, Trump would be the Olympic gold medalist.” When number crunchers are on the case, the candidates don’t fare much better: Politico Magazine recently fact-checked a week’s worth of each candidate’s statements, and found that Trump had uttered one untruth every 3.25 minutes and Clinton, every 12 minutes.