I doubt myself every single day. As a CEO it's the dark secret none of us are supposed to talk about, but it's real, and so it was marvelous for me to listen to Maria Klawe yesterday say that she wakes up feeling like a failure every day. Now Maria is one of the most successful people in academia. She's president of Harvey Mudd College, educating the next generation of brilliant computer scientists, mathematicians and physicists, she sits on the board of Microsoft and she's a much admired water color [...]