A slow-moving, active storm system has brought heavy rain, large hail and tornadoes to parts of Texas and Oklahoma and left three people dead. Severe weather warnings lingered into Easter Sunday across parts of the south-central and Midwest U.S. Police in Moore, Oklahoma, say high waters stranded two cars Saturday evening, and one car was swept away under a bridge. Police say they were able to rescue some people, but a woman and 12-year-old boy were found dead. Officials in Hughes County say the storm killed one person after a tornado touched down in Spaulding, Oklahoma. Large swaths of Oklahoma remain under a National Weather Service flood watch through Sunday, along with parts of Missouri, Arkansas and southern Illinois…