In its 22nd year, the Washington Ukrainian Festival continues its outreach to the local community, Ukrainian diaspora in the U.S., and to those in the DC area interested in Ukraine, its customs, performing and visual arts, and cuisine.  In addition to live performances on an open air stage, there will be activities for children, Ukrainian kitchen, a beer garden, and Ukrainian-themed items for sale.  Fri., Sept. 12, 5-8 p.m.; Sat. Sept. 13, 11 a.m.-9 p.m.; Sun., Sept. 14, 11 a.m.-dusk. Sat.-Sun. admission $20, Sun. only $15, under 21 free.  Portion of proceeds to benefit humanitarian aid in Ukraine.