Republican presidential candidate Donald Trump
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Donald Trump appears to be walking back his claim that President Obama and Hillary Clinton were the "founder" and "co-founder" of ISIS, suggesting that attack was just "sarcasm."
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This isn't the first time the Republican nominee has claimed that a controversial statement was just a joke. He told FOX News last month that he was "being sarcastic" when, at a July 27 news conference, he appeared to call on Russia to "find" Clinton's deleted emails.