FROM Sean Solomon
Messenger Spacecraft Sends Back Pictures of Mercury For a week now, excited astronomers have been looking at close-up images of Mercury, where temperatures range from 800° to -300°. Is it possible that the planet closest to the Sun has deposits of frozen water? In 2004, we talked with Dr. Dean Soloman as the Mercury Messenger spacecraft took off for a long complex voyage to the planet nearest the Sun. He is the principle investigator for the Mercury Mission and Director of the Department of Terrestrial Magnetism at the Carnegie Institution for Science .
Does 'hire American' mean fire a foreigner? US companies are allowed to hire employees from other countries with highly developed skills that can't be found here. President Trump says it's being abused as a way to find cheap foreign labor. We hear about the benefits—and the risks—of changing the H-1B program.
In Janesville, WI, Middle America meets the new American dream Janesville, Wisconsin is the hometown of Republican House Speaker Paul Ryan. But he couldn't prevent the closing of the General Motors factory after 100 years. We hear what's happened to what once was a model of American middle-class unity.