— By Sue Lindsey Joyce Williams did not expect her experience as an educator to lead to helping feed older residents in need during winter, but that’s exactly what happened. A retired principal of William Byrd Middle School in Roanoke County, Williams, 71, began to volunteer with a program called Soup for Seniors a few years ago and was quickly put on the planning committee. The 11-year-old program, which has strong community support, last year served 525 Meals on Wheels clients …