The fatal attack two years ago on the U.S. consulate in Benghazi, which congressional Republicans continue to use as an issue against President Barack Obama and other Democrats, serves as reminder of how dangerous U.S. diplomatic postings have been under presidents of both political parties.
The September 11, 2012, assault that killed four in Libya, including U.S. Ambassador Christopher Stevens, represented the sixth deadly attack on embassy or consulate personnel since 2000.
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