Heaven help us if they start to get the hang of it. 

Bannon may pine for 1933 Berlin and dream of the Reichstag fire, he's showing himself to be no Goebbels - thank goodness. If he gets the hang of wielding real power the US is going to be in big trouble. With a little more guile and tact, the Muslim ban could easily have stuck. And existing laws certainly allow the possibility of mass round-ups and deportations.  

As for Trump, instead of petulant tweets about Nordstoms, he could easily have had a quiet talk with the IRS about a tax audit, or immigration raids, or SEC investigations of executives, etc ... Trump is eager to use the power of the office to enrich himself and his family, he's just (currently) too clueless to know how to use it. Same goes for journalists. So far it's all just rants on Twitter and SNL skits. But what if Trump figures out that a call to Comey can unless the FBI on troublesome reporters?