He has flip flopped on virtually every issue on the planet as well. He said he opposed the Iraq war, but he supported it. He said he was pro-choice, but now he's pro-life. He said he was for torture and then walked that back. He switched position on Israel-Palestine. In his book, he argued for gun control. Now he opposes it. It's like this on nearly every issue on the planet.
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Considering that Obama opposed intervention and she convinced him to change his mind, it's extremely reasonable to place the blame at her feet, and Obama's, but certainly her's.