David Frum responds to Jennifer Rubin's article in Commentary titled "Why Jews Hate Palin." First off, Frum is right that the poll that Rubin cites doesn't really prove her case because 37% approval from Jews is actually very good . . . Frum then goes on to assert: Palin excites intense support among a core group of conservative Republicans....She polls poorly...among independents. I'll give Frum credit for changing what he considers Palin's core group of support from "social conservatives" to the broader group of "conservative Republicans." After all, with some recent polling showing Palin to hold a robust 79% favorable...