Win McNamee/Getty ImagesA State Department memo challenging the U.S.’ unflinching support for Israel amid its war with Hamas and bombardment of the Gaza Strip urges the Biden administration to back calls for a ceasefire, according to a copy obtained by Politico. The so-called “dissent memo,” as the outlet characterized it, was marked “sensitive but unclassified.” It was unclear how many staffers had signed it, or whether it had been submitted to an official channel within the department that all