[hraedon]

What alternative did he have? The president's hand-picked AG had released an extremely misleading "summary" of Mueller's findings, which the president was using to claim total exoneration.

Trump's supporters would have taken any action beyond cowed silence as evidence of a "politically motivated attack," because that's been the president's messaging. The investigation itself was characterized as "politically motivated messaging," despite having been started under Trump by Trump appointees.

Mueller isn't responsible for "widening the divide," and there was nothing he could do to heal it while living up to his mandate. The president, or at least the president's team, did a lot of illegal things during the election. You don't meaningfully hold them to account or heal "the divide" by falsely exonerating the president.