Environmentalists urged the Maryland Senate to remove 'black liquor' from the list of renewable energy sources — a request it obliged Thursday.

The Supreme Court considers same-sex marriage, Virginia requires photo ID at the polls and a Maryland county executive wants control of the schools. It's your turn to shape the conversation.

The oil industry and labor unions are pushing the Obama administration to approve the Canada-to-Mexico Keystone pipeline: The ongoing debate over the future of U.S. energy policy.

There was a flurry of activity today at the Supreme Court, as they hear arguments on Proposition 8, the California voter initiative that bans same-sex marriage in the state.

The slow pace of compromise on Capitol Hill on comprehensive immigration reform has frustrated observers, but it's proved acutely devastating for families like the De Leons of Arlington.

Political columnist David Hawkings talks about why the White House has formally withdrawn one of its long-standing nominations for an appointee to the D.C. Circuit Court.

Nurse practitioners in a number of states are pressing lawmakers to let them practice without doctor supervision. Critics cite the risk of a lower standard of care. Debate over expanding the authority of nurse practitioners.

The Supreme Court is scheduled to hear two landmark cases on same-sex marriage bans this week, and both supporters and detractors of gay rights are rallying in the capital and across the country.

Alexandria city leaders have adopted new zoning for the waterfront, but that hasn't stopped legal challenges from moving forward.

The Maryland House of Delegates voted 78-56 to raise taxes on gasoline in the state.