The art of changing two way discourse into one-way communication; sticking to the party message no matter what the other is saying. The abbreviation for political speak is BS.
When was the last time you saw a politician give a straight answer to a question being asked of them? Political speak is when a politician is interviewed and asked a question and the politician answers with a response that has nothing to do with the question, but rather propounds the party message on their topic of the day. Thus transforming what was a two way discourse into a one way diatribe with very little if any meaningful content.