In silent films, quite complex plots are built around action, setting, and the actors' gestures and facial expressions, with a very few storyboards to nail down specific plot points.

The period after the First World War was an extremely different time, so that Sherlock Holmes would have been a different person following 1918 than he was during the Victorian era.

The place where I think social media fails is in showing the knowledge, the tradition of stitching the clothing, of cutting the fabric, of the tannery, of the skinning of the jewels - this knowledge needs respect. Online and social media is the future, but we need to learn from the past, too.

I have witnessed how education opens doors, and I know that when sound instruction takes place, students experience the joys of new-found knowledge and the ability to excel.

I have decided not to give interviews and not to hold conversations with journalists who deal with the political activity of my wife rather than my activity as university teacher and researcher.

I am very fond of Jeb Bush. He's a friend; he was a terrific governor of Florida. I worked with him on some immigration and education issues.