The US supreme court justice Brett Kavanaugh is not a “consummately honest person” and “must know” what really happened on the night more than 40 years ago when he allegedly sexually assaulted Christine Blasey Ford, his accuser writes in an eagerly awaited memoir.A research psychologist from northern California, Ford was thrust into the spotlight in September 2018 as Kavanaugh, a Bush aide turned federal judge, became Donald Trump’s second conservative court nominee. Her allegations almost derailed Kavanaugh’s appointment and created headlines around the world.Ford’s memoir,…