jetcityimage Dollar General (NYSE:DG) has to be the worst bull thesis of my life. Barely 18 months ago, I issued a rare "strong-buy" rating when this stock traded at $212 apiece, well above today's price of$80 and sinking. The retailer has recently announced earnings and guidance that sent investors running to the exits in a stampede. As shares approach a massive drawdown of 70% (see purple line below), this seems to be the perfect time to revisit the failed thesis. Is DG a bargain stock, trading at a mere ...