A man walks through the grounds of the former Nazi German Auschwitz death camp for the annual International "March of the Living" in Oswiecim, Poland April 18, 2023. Jakub Porzycki/Agencja Wyborcza.pl via REUTERS/File Photo Acquire Licensing Rights WARSAW, Aug 17 (Reuters) - The Auschwitz Memorial on Thursday criticised social media platform X, formerly known as Twitter, for failing to remove an antisemitic post on the site. X's owner Elon Musk has described himself as a free speech absolutist, but some critics have said his approach is irresponsible. Researchers have found an increase in hate speech and antisemitic content on the...