Credit: Maryland is suing the U.S. Environmental Protection Agency for failing to act on a petition requiring power plants in five upwind states to reduce pollution.

Maryland suing EPA on power plant pollution in other states

US Interior chief wants smaller monuments, but not at home

‘Nothing, nothing.’ Aid lags in hurricane-torn Puerto Rico

DC police team is going to Puerto Rico for hurricane relief

Photos: Scenes of devastation in Puerto Rico after Maria

Anatomy of a Russian attack: Attempts to target US began immediately after Soviet Union’s collapse