Defense Secretary Chuck Hagel announced Monday he is stepping down, leaving under pressure following a rocky tenure in which he has struggled to break through the White House's insular team of national security advisers.
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Your daily look at late-breaking news, upcoming events and the stories that will be talked about today: 1.
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Elements are falling into place for an agreement to allow talks on Iran's nuclear program to continue another seven months, a well-placed Western diplomat sais Monday.
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