 and the pressure is expected to build with the return of lawmakers to Washington following their holiday break. On Capitol Hill, Mitchell Miller, WTOP News. Getting around D.C. will be even tougher than usual this week as the city hosts the NATO Summit for the first time in 25 years. The gathering starts tomorrow, but some road closures and other security measures are going into place now. Starting today, the areas around the Washington Convention Center, the Carnegie Library, and Mount Vernon Square are closed.