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Not long ago the idea of Earthlings visiting Mars was confined to the realm of fiction. But scientists say NASA's current mission to Mars could bring us closer to making such a visit a reality. The Mars Science Laboratory spacecraft was launched last November. The detachable rover named "Curiosity" is scheduled to land on the red planet on August 6. The mobile lab will spend two years searching for evidence that Mars might have contained life. With NASA facing sharp funding cuts, there's a lot riding on the success of the mission. Some say it could determine the future of the nation's entire Mars program. Diane and her guests talk about their hopes and fears for the Mars landing and mission.
The Austria-Hungary border has become the latest pressure point in Europe's ongoing migrant crisis. An update on the huge influx of migrants and refugees from the Middle East and Africa and the future of open borders within the E.U.
A new report says the traffic in the U.S. is the worst it has been in years. Yet, some urban transportation experts say there's reason to be optimistic. They point to revitalized city centers, emerging technology and the investment in alternative methods of transportation. A conversation about how we get around today, and might get around tomorrow.