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 co-host of Morning Edition, 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.
