I believe that every leader has a right to implement his own policy. But when I see things that are done that are not right - abuse of power, wrong approaches, wrong strategies, making use of foreign consultants, including those discarded by other countries - I feel that I have to have my say.

A lot of our Democratic consultants have fallen into the self-defeating prescription that the candidate that runs the most negative ads wins. I have a new theory: Positive is the new negative.

My subjects were maths and physics. I truly appreciate the value in sciences, but understand the difficulty finding and retaining teachers for these subjects, especially when most of my Imperial cohort ended up as management consultants or in finance.

There were IBM logos designed for the film, and there were IBM design consultants working with Kubrick on the layout of the controls and computer screens.

Political consultants are pugilists masters in the dark art of negativity. Which is why it's surprising to hear Democrats such as Steve McMahon and Republicans like Rich Galen urging their presidential candidates to be more well positive.

There were IBM logos designed for the film and there were IBM design consultants working with Kubrick on the layout of the controls and computer screens.