AG largely released report
Russian facebook ads
Russian tried to damage a presidential candidate.
Investigation of obstruction.
Trump can't be charged as a sitting President.
Could charge co-conspirators
Can't accuse a person of a crime if can't have their day in court.
Congress is Constitutional outlet for that.
AG did not tell him to speak on this matter.
Any testimony can not go beyond the report. The report speaks for itself.
Won't be taking questions.
Sitting President can't be charged with a crime. They could charge co-conspirators on obstruction (why didn't they?)