There are no files, but there are memes. Who (doesn't) benefit from the presidential debate?

- Those who have the most to lose do not come - says political scientist Prof. Szymon Ossowski from Adam Mickiewicz University in Poznań. We wonder what lessons can be drawn from past presidential debates and the stumbles of, among others, Lech Wałęsa, Jarosław Kaczyński and Bronisław Komorowski.