'Return whether or not a user has satisfactorily proved their identity.
Depending on the policy, this can expire after some period of time, so
a user might have to renew periodically.
This will check for the user\'s *initial* verification.'

@classmethod
def user_is_verified(cls, user, earliest_allowed_date=None):

    return cls.verified_query(earliest_allowed_date).filter(user=user).exists()
