What a difference a dress makes in the lives of little girls! If you like to sew, you can help make a difference. A Dress a Girl Around the World Sew-a-Thon will be held Nov. 2 from 7:30 a.m. to 4:30 p.m. at Oro Valley Church of the Nazarene, 500 W. Calle Concordia. Dress a…