Does the Jamal Khashoggi case show tyrants are enjoying an "age of impunity"?

When Turkish officials said they believed Saudi journalist Jamal Khashoggi had been killed last week after disappearing during a visit to his country's consulate in Istanbul, there was good reason to wonder whether there would be serious repercussions.

"It may take time, but we have long memories, and our reach has no limits," Obama would say, in his last State of the Union address.

“Four hostile newspapers are more to be feared than a thousand bayonets...” ― Napoléon Bonaparte