As David Nasaw, Hearst's latest biographer, reminds us, Welles had always been fascinated by the power of personality and the personality of power.

ECONOMIST: Media mogul

The electorate seems to want a mix of personality and power, but only if they come with a pedigree and bank account to match.

CNN: Romney, Obama: Why they have trouble connecting

To put it another way, the power of personality and the clarity of their ideas was a key part of David Cameron's pitch for cities to switch to a mayor.

BBC: UK Politics

In the depths of the Depression, when Franklin Roosevelt did battle with fear itself, it was not simply by the power of his words, his personality and his example that he triumphed.

BBC: In full: Brown's speech to Congress

Sarah Palin is perfectly happy to have you call her a politician, power woman, best-selling author or cable news personality.

FORBES: Sarah Palin: From Reality Star To U.S. President?

In addition, the president, Mahinda Rajapakse, has a personality-centred style of leadership that does not seem suited to ceding power to provincial authorities.

ECONOMIST: The uncertain future of Tamils in Sri Lanka

As these Weaver twitter-bots begin to take on a personality, they take on a larger role in the twitterverse overwhelming the humans that power the web.

FORBES: Humans Vs. Robots: Who's On Top?

There is something deeply contradictory about Walter Mischel a psychologist who spent decades critiquing the validity of personality tests inventing the marshmallow task, a simple test with impressive predictive power.

NEWYORKER: Don��t!