FORT SMITH - A Van Buren store clerk who just won 100 grand in the Arkansas lottery faced a felony drug charge today and pleaded guilty to sex charges last week. Joseph Pierce was on top of the world after winning 100 thousand dollars in the lottery. But today, news broke of his august arrest and his subsequent conviction. Add to that, the fact that he was arrested and convicted on similar charges just three years ago. "On August 22nd Joe Pierce of Van Buren was arrested by our street crimes unit while they were conducting undercover operations at Fort...