Mr. Obama is the only popular politician left in the world. He would win an election in any one of the G-20 countries, and his fellow world leaders will do anything to take home a touch of that reflected popularity.

You have to remember that I was a bright but simple fellow from Canada who seldom, if ever, met another writer, and then only a so-called literary type that occasionally sold a story and meanwhile worked in an office for a living.

Regarding marriage, it - somehow, it didn't happen. One fellow in such a big family not getting married is not an issue.

I have been connected with the Niels Bohr Institute since the completion of my university studies, first as a research fellow and, from 1956, as a professor of physics at the University of Copenhagen. After the death of my father in 1962, I followed him as director of the Institute until 1970.

I think we learn from medicine everywhere that it is, at its heart, a human endeavor, requiring good science but also a limitless curiosity and interest in your fellow human being, and that the physician-patient relationship is key; all else follows from it.

For one who has an interest in the body as text, airports are treasure troves of information. It seems almost un-American to enjoy delays, and perhaps enjoy is not the best word, but certainly a delayed flight, if it does nothing else, allows one the opportunity to make prolonged observations about one's fellow travelers.