TAI CHI (QIGONG) CLASSES FOR SENIORS: 11 a.m. today at Unity Moravian Church, 8300 Concord Church Road, Lewisville; 1 p.m. Konnoak Hills Moravian Church, 3401 Konnoak Drive; 3 p.m. at Fairview Moravian Church, 6550 Silas Creek Parkway. $5 per class.…