substance for that length of time in order to have a clean test so that they're not flagged for substance abuse, and, you know, be looking at a possible suspension after that. >> this issue got a lot of attention this week in part because former philadelphia eagles player chris long who just announced his retirement, revealed on a radio show that he smoked during his playing days and he says, quote, i'm not going to put a percentage on how much the league smokes but i certainly enjoyed my fair share on a regular basis throughout my career. testing players once a year for street drugs, which is a terrible classification for marijuana, is kind of silly because players know when the test is, we can stop, and in that month or two that you stop, you'll reach for the sleeping pills and the painkillers and the bottle a little bit more. walter, do you agree with this assessment? >> you know, i think chris is really telling the truth for a lot of players, a lot of guys know they can beat that test. again, all they have to do is lay off the usage of it for a couple of months and then, again, you know, you're only