The Department of Homeland Security is warning about what it calls a "heightened threat environment" in the U.S. That's amid fears Iran could retaliate for a U.S. attack on its nuclear facilities.
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Michel Martin is the weekend host of All Things Considered, where she draws on her deep reporting and interviewing experience to dig in to the week's news. Outside the studio, she has also hosted "Michel Martin: Going There," an ambitious live event series in collaboration with Member Stations.
