Suzanne Westenhoefer was the first openly gay comedian to appear on television, from appearances on David Letterman, HBO and Bravo. These days she maintains a near-constant schedule of stand-up performances at mainstream comedy clubs across the country, including an annual stop at The Birchmere. Saturday, Jan. 29, at 7:30 p.m. The Birchmere, 3701 Mt. Vernon Ave., Alexandria. Tickets are $45. Call 703-549-7500 or visit birchmere.com.