I enjoyed this bit from his article "The NFL Draft Decoded"...
RULE 1: DOPE SMOKERS ARE A BARGAIN
Before the draft, teams spend far too much time worrying about the character issue, when the real question to ask is much narrower: Can this player make it through his four- or five-year rookie contract without missing actual games due to incarceration? Guys with drinking problems or who throw cell phones at their girlfriends heads or get pulled over driving 110 with loaded unregistered pistols in their glove boxes are bad bets. Guys who just stay home and smoke weed while giggling at Manswers are not. Thus: Always draft the guy who falls in draft position due to a positive weed test. In fact, if a guy is regularly smoking buttloads of weed and hes still kicking ass in Division I football, grab that motherfukker quick. Teams who pass on such players almost always regret it; Randy Moss and Warren Sapp are two classic examples, and last year there was Percy Harvin, Minnesotas fast-as-hell wideout, a steal at pick 22. But what about the NFLs drug policy, which makes league suspension or banishment a consideration? The reality is that in the age of the Whizzinator and delightfully rare random testing, not many guys are going to make it all the way to their third (i.e., banishable) positive drug test before their rookie contract ends. Hell, even Ricky Williams didnt get suspended until after his fifth season, and nobody, not even Tommy Chong, likes smoking weed more than Ricky Williams.