While liberal media bias is often easy to spot, it's rare to see veteran journalists come clean on the biases of their own news outlets. But when one does, it's hard to dispute the first hand account of the newsroom's consistently leftist politics. In his new memoirs, veteran BBC news anchor Peter Sissons details the startling depths of leftist politics that pervade coverage at Britain's state-owned broadcaster. Leftism is “in its very DNA,” Sissions claims of the BBC. In excerpts from the memoirs , titled “When One Door Closes”, published in Britain's Daily Mail newspaper, Sissons details the groupthink mentality at the BBC: At any given time there is a BBC line on everything of importance, a line usually adopted in the light of which way its senior echelons believe the political wind is