AskHistorians, in due course. They disagree violently amongst themselves offstage but will fight alongside each other to stop anyone else saying the truth in public. You can be a primary source: They decide its validity.

Mostly I do now believe History needs 50+ years to get distance from the personal. I like Martin Gilbert and Anthony Beevor immensely. I've had both Russian, and American historian-aligned-people take them down gloriously. I don't think either Gilbert or Beevor are seen in good standing, all the time by people in Moscow and Harvard.