The Arak IR-40 heavy water reactor in Iran. Photo: Nanking2012 / WikiCommons.

New York Times – Angry Democrats on Tuesday excoriated the open letter sent toIran’s leadership warning about a nuclear agreement with President Obama, but the 47 Republicans who signed it remained defiant and unapologetic, saying the president should have seen their opposition coming.

The recriminations from Democrats threatened to unravel the bipartisan coalition that had been building to oppose a deal, though Democrats also confronted the choice between challenging Tehran and rallying behind the president.

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