For diplomacy to be effective, words must be credible - and no one can now doubt the word of America.
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I just didn't want to get out there anymore; I didn't want to get back into what I call 'the swamp.' And the other reason why is I don't think it's good for the presidency for a former president to be opining about his successor. President Obama's got plenty of critics - and I'm just not gonna be one.