Veteran thespians Shelley Rugg and her father, Ken Rugg, will host a monthly variety show in the Dance Palace Church Space open to anyone interested in performing on stage, starting Monday, Feb. 23. The program’s title, 10×10 Performance Lab, describes its format: each month, 10 groups or individual performers (of any age) will have 10 minutes to do an act of their choosing. “It’s like an open mic on steroids,” said Ms. Rugg, who late…