November 7, 2013 In 2001, Portland, Ore., was the first to develop a new kind of streetcar system. Success there led to a resurgence, with at least two dozen cities planning, building or expanding trolley lines — places like Atlanta; St. Louis, Mo.; and Tucson, Ariz. But some wonder whether it's the best way to spend limited transit dollars.
November 6, 2013 Tax-exempt social welfare groups have become the vehicle of choice for big political contributions. NPR, in partnership with the Center for Responsive Politics, traces the money moving through a Washington, D.C., group, and the law that makes this activity possible.