Original sentence: The charge of new anti-Semitism is meant to apply to all groups that express unreasonable hostility toward Israel; to the extent that the left-wing tends to level condemnation and criticism against Israel, they are accused of promoting new anti-Semitism
Edited sentence: The charge of new anti-Semitism is meant to apply to all groups that express unreasonable hostility toward Israel; to the extent that the left-wing tends to level condemnation and unfair criticism against Israel, they are accused of promoting new anti-Semitism