All Things Considered on KRVS

GOP presidential candidate Mitt Romney campaigned in Ohio on Tuesday, where his focus was on coal and energy policy.

Transcript

AUDIE CORNISH, HOST:

Now, that Mitt Romney has chosen his running mate, Vice President Joe Biden knows who the competition is. And Biden has been talking about Paul Ryan on the campaign trail.

VICE PRESIDENT JOE BIDEN: The very plans the congressman voted for and promoted for 12 years and the governor supported put America's greatness in jeopardy. How do they think we got in this spot in the first place? What do they think happened? As my little youngest granddaughter would say, was it Casper the Ghost, Pop?

As part of the NPR Cities Project, we're exploring some "gee-whiz" questions about how cities work. Melissa Block talks to Gideon Berger, Fellowship Director for the Urban Land Institute, on the street in Washington, D.C.'s Chinatown. They talk about the trickiness of timing traffic lights