Lizzie Horne, WTOP, August 3, 2010 Washington - Nurses United of the National Capital Region are planning a one-day strike at Washington Hospital Center. The 24-hour unfair labor practice protest comes as a response to the firing of 18 nurses during February's snowstorm. Union spokesman Stephen Frum, a nurse at the hospital, says the date of the strike will be announced this week in order to give the hospital management 10 days notice. ... Washington