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I didn't know about those earlier comments so fair enough that people don't like him for that. At least more recently though he seems to be pushing hard for an arms embargo which would be a genuinely good thing to apply pressure on Israel. Not sure if that's some kind of change in opinion or if he just is against the way they're going so aggressive with it now and is more in favor of the liberal Zionists. But I think either way your original comment about him being in favor of sending weapons to Israel is wrong as he quite literally voted to stop doing that and led that effort in the Senate.