Once again, the top brass at NASCAR have taken a stand against marijuana users. Yesterday, officials for the racing organization suspended crewmember and former driver Randy LaJoie indefinitely after he tested positive for marijuana. The test was not to make sure that he could be a driver, but that he could be a spotter. For those of you not familiar with racing, the spotter sits in the stands and relays car positions to his or her driver through a headset. Please forgive my ignorance of the details…