WASHINGTON, DC.- Comcast and Smithsonian Networks announced the launch of the Smithsonian Channel for Comcast Digital TV customers in Washington, D.C. Customers now have access to the award-winning, family friendly original programs on the Smithsonian Channel located on Channel 194. Smithsonian Channel plans to continue its roll out to customers in the Washington, D.C. market through 2011. “An important part of our ventureis to further the Smithsonian Institution’s mission,whichincludes the increase and diffusion of knowledge,” said Tom Hayden, executive vice president and general manager, Smithsonian Networks. “Being launched by Comcast is a big step in our plan towards furthering that commitment of delivering cultural, historical, scientific and educational programming.” “Comcast is dedicated to offering