Warsaw: A Polish writer faces a possible prison sentence for insulting President Andrzej Duda by calling him a “moron” over comments the latter made about US President Joe Biden’s election victory. Jakub Zulczyk, who is the screenwriter behind the popular series “Blinded by the Lights” and “Belfer”, said that prosecutors had charged him under an article in the criminal code for insulting the head of state in a Facebook post.