White House press secretary Sean Spicer says on Wednesday that he ‘made a mistake’ on Tuesday when he said that unlike Bashar al-Assad in Syria, Adolf Hitler never used poison gas on his own people. The comments drew instant rebuke from Jewish groups and critics, who said Spicer had ignored the Nazi extermination of German Jews and non-Jews using gas chambers and trucks. ‘To make a gaffe and a mistake like this is inexcusable and reprehensible,’ Spicer said during an event at the Newseum in Washington DC