"Eristika, or the art of arguing" by Schopenhauer.
Despite the terrible surname, it is easy to read and understandable.
Eristika is a dispute in order not to find out the truth (that is an apodictic dispute) , namely to win.
That is, directly on the topic you requested, - one of its aspects.
Any detailed biography of Mussolini. Let's say this one. A person wanted power, on the way to it he repeatedly changed his ideology (for the war, against the war, for socialism, against socialism, for strikes, against strikes, against Hitler, for Hitler), each time convincingly explaining what caused such a trick with his ears. p>