Thomas Edsall reports on who's in Obama's camp and who's with Clinton and what it means: "The well-publicized contrast between Hillary Clinton's early backing of the Bush administration's war effort and Barack Obama's early opposition, has to a degree been replicated in the less visible network of foreign policy advisers that each candidate has cultivated -- the early war opponents by Obama, and the one-time hawks by Clinton." There's more, including some nuance.

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