Economically battered consumers have turned to dollar stores and other deep discounters to stretch household budgets. That's fueling strong growth and intense competition in the space. Family Dollar (FDO) on Thursday morning reports fiscal first-quarter results. Analysts see the No. 2 operator of discount variety stores posting earnings of 75 cents per share, up 10% from a year ago. The consensus estimate on revenue is for a 10.8% bump to $2.38