Mandel Ngan/Getty ImagesLast Saturday, in what was widely referred to as a “gaffe,” Congressional Progressive Caucus chair Pramila Jayapal (D-Wash) referred to Israel as a “racist state.” She was responding to pro-Palestinian protesters disrupting a Netroots Nation panel and trying to reassure them that she shared their concerns about Israel’s many violations of the human, civil, and democratic rights of its Palestinian population.Jayapal was immediately rebuked by all of the top-ranking Democra