E.J. Dionne: Six takeaways from Barr’s letter about Mueller’s probe

Washington • That special counsel Robert Mueller has not resolved all the issues surrounding President Trump is disappointing many of the president’s foes, but it’s not surprising. Mueller is an honorable man. He is not a bomb thrower. He always defined his role narrowly. All of Trump’s attacks on Mueller (and he continued assailing the probe on Sunday night) distracted from the fact that Mueller was not nearly as aggressive as he might have been — for example, by su