Emails, texts and tweets may be changing how we solve crimes: Word choice, spelling and punctuation can all serve as virtual fingerprints. A look at how technology is changing criminal linguistic evidence in court.
Guest Host: Steve Roberts
President Obama begins a campaign to explain the new, landmark health care legislation. What the bill could mean for small businesses, Medicare patients and the health and wallets of American families.
- Julie Rovner health policy correspondent for NPR, author of "Health Care Policy and Politics A-Z," and contributing editor for the National Journal's CongressDaily.
- Mary Agnes Carey senior correspondent with Kaiser Health News. She most recently served as associate editor for CQ HealthBeat, a daily report on health care policy. She has also served as Capitol Hill Bureau Chief for CQ.
- Marilyn Werber Serafini healthcare and welfare correspondent, "National Journal."
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