Germany would seem to be one of the last places to find the government trying to intimidate its journalists these days. News of secret C.I.A. flights that whisked prisoners through the Continent to places where torture is allowed has horrified many Europeans in recent years. The German courts have been in the forefront of condemning “extraordinary rendition” — the practice of loading terrorism suspects onto planes and secretly flying them to Afghanistan or Syria or other particularly dangerous spots for anyone behind bars.