<iframe src="http://www.npr.org/player/embed/1203571/1203572" width="100%" height="290" frameborder="0" scrolling="no">
U.S. troops search for chemical and biological weapons as they move across Iraq. The U.S. military also sends in teams of specialists to inspect suspicious sites for evidence of weapons of mass destruction. NPR's Jon Hamilton reports.
NPR thanks our sponsors
Become an NPR sponsor
Support The Programs You Love