Two rival businessmen meet in the Warsaw railway station. &quot;Where are you going?&quot; says the first man.<p>&quot;To Minsk,&quot; says the second.<p>&quot;To Minsk, eh? What a nerve you have! I know you&#x27;re telling me you&#x27;re going to Minsk because you want me to think that you&#x27;re really going to Pinsk. But it so happens that I know you really are going to Minsk. So why are you lying to me?&quot;