Simon Callow and his passion for the 'one of the most extravagant human beings who ever lived'; As the thespian brings his reading tour to Cardiff next week, he reveals his fascination with Orson Welles

Byline: Rachel Mainwaring Having spent the last 30 years researching the American actor, director, writer and producer, you'd be forgiven for thinking thespian Simon Callow might be a little tired [...]