President Bush announced new plans Thursday to minimize air travel delays and improve airline security. Two reporters assess the latest developments in the travel industry. Oregon scientists announced the successful cloning of monkey embryos this week, a major breakthrough in the field of stem cell research. NewsHour Health correspondent Susan Dentzer details their findings. In the next Big Picture election report from Las Vegas, the NewsHour looks at how the Nevada city's recent population increase has strained school and health care systems and local residents and leaders discuss how the burden on social services is impacting their views on the 2008 election.moreless
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