Jane Clayson anchors today's broadcast John Roberts is with the president travelling through China and will cover the latest developments from that trip. Mark Strassman takes a look at safety at some of America's water system. Jane Clayson has a report about how much authorities can find out from letters with anthrax such as those sent to NBC in New York and Tom Daschle's office in Washington.
All stories are subject to change due to breaking news.
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