Unfortunatly it is true. He was sent to rehab twice on the school's dime to try to help him kick the habbit of both drugs but to no avail. He also likes to disappear for days at a time. He was gone for three days during bowl week in SD and then skipped out on three meetings with team reps that were sent to interview him for the draft. Which is why Dallas with thier history of hiding stuff like this is one of the worst places for this kid to end up. Not to mention that the Cowpukes suck monkey balls.
One thing I've heard from a lot of different people is that his grades were fudged or manipulated pretty heavily at Nebraska. To what capacity and end I don't know. But, it sounds like he was not a very good student and some grade fudging was prevalent. And I've heard this from people who are decently connected.
I've also heard from two different, unrelated people, that he may have used drugs that go beyond marijuana.
I don't know about the rehab, coke, or grade fudging. To me at least, Bo seemed big on schoolwork and came across as a tough disciplinarian (unless I am forgetting instances). I just can't see him leaving Randy on the team if both of those things were going on. Could he have? Sure, but it doesn't fit his personality.