To clean your oven door, cut a lemon in half and rub it over the glass. Leave it to sit for about five minutes before wiping it down with a warm, damp cloth. If you don't have any fresh lemons, using ...

A few years ago, I had lunch with the head of a major motion picture studio, who declared that his central problem was not finding good people—it was finding good ideas. Since then, when giving talks, ...