A Berkeley County woman is suing the national retail store, Big Lots, after she injured herself when slipping and falling on the floor.Aline E. Valentin-Dunsmuir was a customer at Big Lots in June 2005. While she was there she slipped and fell on an unknown substance."The substance which was on the floor was in the nature of a hidden danger, trap, snare, pitfall or the like, "the lawsuit, filed...