By Michael Balderston
European spacecraft lands on speeding comet.
(WJLA)
U.S. and China make historical climate agreement.
(WJLA)
Metro unveiling new faregates that will allow for riders to pay with smartphones.
(WJLA)
Arlington property tax projected to rise in 2015.
(Washington Post)
Virginia Department of Transportation installing new technology to make I-66 more predictable.
(WTOP)