By Jonathan Stempel (Reuters) -Harvard University has been sued by Jewish students who accused it of allowing its campus to become a bastion of rampant antisemitism. In a complaint filed on Wednesday night, six students accused Harvard of selectively enforcing its anti-discrimination policies to avoid protecting Jewish students from harassment, ignoring their pleas for protection, and hiring professors who support anti-Jewish violence and spread antisemitic propaganda. “Based on its track record, it is inconceivable that Harvard would allow any group other than Jews to be targeted for similar …