Talk of The Nation

Transcript

JENNIFER LUDDEN, HOST:

This is TALK OF THE NATION. I'm Jennifer Ludden in Washington. Neal Conan is away. When the West Fertilizer Company in West, Texas, exploded last week, many of the first responders on the scene were volunteer firefighters, and they make up most of the 14 known victims so far.

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. And now it's time for the Opinion Page. Investigators in the Boston Marathon bombings used all kinds of images to identify the suspects in Boston: pictures from cell phones, portable video recorders and from TV. But the most useful came from surveillance cameras placed to monitor public places like the entrance to the Lord and Taylor department store and Forum Restaurant.

Transcript

NEAL CONAN, HOST:

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Too many of those injured in Boston last Monday lost limbs in the explosion and now face a long and difficult recovery. Because the pressure-cooker bombs were in bags placed on the sidewalk, the shrapnel maimed and shredded many people's legs. Their basic challenge, of course, is to walk again. But the physical, mental and emotional process stretches far beyond those first steps.

Deep-sea voyager Robert Ballard has discovered everything from 10-foot-tall tube worms to the Titanic on his ocean expeditions around the world. Ballard discusses his underwater finds and how new robotic technology allows scientists to explore the sea from ashore.