Signups for ObamaCare are surging in southern states, with increases of nearly 100 percent in some states compared to last year, federal health officials said Wednesday. Texas, Louisiana, South Carolina and Mississippi have each seen 80 percent more signups compared to last year, Deputy Administrator Andy Slavitt said. The same states are also reporting the fastest rate of growth in the final two weeks of the current enrollment period, which ends Feb. 15. Each of the states has reported 5 percent more signups over the last two weeks compared to last year.