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05:00 — Margaret Warner reports on a new test designed to detect early signs of Alzheimer's disease.
13:56 — PBS NewsHour economics correspondent Paul Solman traveled to Cuba in 2001 to report on the economy's early flirtations with capitalism.
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Tue Feb 9 11:00pm
New Hampshire Primary, A PBS NewsHour Special ReportNew PBS
The results of the New Hampshire primary are reported.