Federico Gambarini / Reuters Eric Gujer is editor-in-chief of the Neue Zürcher Zeitung. What hasn’t been said about Markus Söder this week? Critics have accused him of employing Donald Trump-esque political tactics, despising institutions and relying on a self-defined party base instead of bowing to elected committees. Some even claimed the foundations of liberal democracy itself were crumbling under the power-hungry Christian Social Union (CSU) leader’s assault. After all, he denounced party democracy as the opaque result of backroom wheeling and dealing. And then Söder backed down as...