Most SPRHD employees with some tenure have experienced this phenomenon at least once. Have they observed an altered date or data disappearing? What was their reaction? What did they decide to do about it?

Do they think anyone can ever be truly 'right' in matters of history? SPRHD employees are officially obliged to follow Mr Cartwright's revisionist view of history, but some employees may find this an uncomfortable prospect. How much do they share Mr Cartwright's faith in the curation of history as a tool for moulding the future?