Without black, no color has any depth. But if you mix black with everything, suddenly there's shadow - no, not just shadow, but fullness. You've got to be willing to mix black into your palette if you want to create something that's real.

I was shadow health secretary for six years, and the beauty of being in opposition - if there is any beauty - is that you tend to get a pretty unvarnished view because no one bothers to paint the coal white before you turn up.

Technology has a shadow side. It accounts for real progress in medicine, but has also hurt it in many ways, making it more impersonal, expensive and dangerous. The false belief that a safety net of sophisticated drugs and machines stretches below us, permitting risky or lazy lifestyle choices, has undermined our spirit of self-reliance.

The Republicans find their faith imperiled by Barney Frank's marriage. There is always a shadow on the wall, a monster in the closet, a mysterious rustling in the teeming underbrush of the conservative Id.

In 1989, my father died after a prolonged struggle with Alzheimer's disease. All four of his siblings followed him into the shadow lands of that fascinating, maddening affliction.

I think I definitely work out of my father's shadow, but it was hard in the beginning. But I would never change my last name, and I couldn't be more proud to carry on his legacy.