The latest research into the link between germs and mental illness -- and what we all need to know.
A preview of the questions and issues Supreme Court nominee John Roberts is likely to face at his Senate confirmation hearings.
- Jeffrey Rosen professor of law at the George Washington University and legal affairs editor of "The New Republic." He's the author of "The Supreme Court," "The Most Democratic Branch," "The Naked Crowd," and "The Unwanted Gaze."
- Stuart Taylor senior writer with National Journal magazine, contributing editor at Newsweek, and coauthor with KC Johnson of "Until Proven Innocent: Political Correctness and the Shameful Injustices of the Duke Lacrosse Rape Case" (Thomas Dunne Books)
- Joan Biskupic Supreme Court reporter, "USA Today;" author, "Sandra Day O'Connor: How the First Woman on the Supreme Court Became Its Most Influential Justice;" now working on a biography about Justice Antonin Scalia.
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