A waxing crescent moon is seen behind a streetlight with a newly installed LED fixture in 2011 in Las Vegas. The city was replacing 6,600 existing lights with the energy-efficient LEDs. It has since replaced tens of thousands more. Ethan Miller/Getty Images hide caption

toggle caption
Ethan Miller/Getty Images

Shooting victims Patience Carter of Philadelphia (left) and Angel Santiago (right) listen as Dr. Brian Vickaryous speaks during a news conference Tuesday regarding the treatment of victims of the Pulse nightclub shooting in Orlando, Fla. Phelan M. Ebenhack/AP hide caption

toggle caption
Phelan M. Ebenhack/AP

I think I see the problem. iStockphoto.com hide caption

toggle caption
iStockphoto.com

After A Decade, Congress Moves To Fix Doctors' Medicare Pay

  • Download
  • <iframe src="https://www.npr.org/player/embed/219348316/219560917" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript