Italy searches for survivors after a devastating earthquake. Turkey escalates its role in the fight against ISIS. And Colombia and the FARC rebels sign a peace treaty ending a half-century-long guerrilla war. A panel of journalists joins guest host Derek McGinty for analysis of the week's top international news stories.
Diane and her guests talk about the tragic loss of the Space Shuttle Columbia and its crew over the weekend, and about what the disaster may mean for the future of the space program.
- Alex Roland chair of the History Department at Duke University and former NASA historian
- Donna Shirley instructor of aeronautics engineering at the University of Oklahoma and former Mars exploration manager at NASA
- John Logsdon director, Space Policy Institute at George Washington University
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