There came a point when the chills, fever and cramps were so intense that Lynn Callaway thought she might die. Callaway was having a miscarriage, and had developed an infection. She wanted abortion-inducing medication or surgery to help empty her uterus and bring her suffering to an end. But, in a federal complaint filed Monday, Callaway says she’d already been refused that type of care at two Austin area emergency rooms, and felt she had no choice but to endure alone at home. Her husband,