Detailed text transcripts for TV channel - CNN - 20110419:15:03:00
Sends troops to libya to protect humanitarian deliveries if that is requested by the united nations. of particular concern is misrata. government troops have surrounded the city for almost two months now. food, clearwater, and medicine are urgently needed. the government today expanded the definition of alzheimer's disease. the goal -- spot changes in the brain long before dementia symptoms appear. researchers hope to develop drugs to slow alzheimer's and early defection, of course, is key. i'll talk live with one of the doctors that is behind today's changes in just a few minutes. another...
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