When I was growing up, government was the agent of change: it was a developing country. What was important was to make a difference.

Policing is an integral part of governance. It is a whole, but it is also a part of the larger whole. Just like a human organ like the head, it's got intelligence, stamina, strategy and surveillance. But it cannot function independently in the absence of other life-sustaining organs.

Every challenge has its own unique problems.

Corrupt bureaucrats and cops ought to dismissed or compulsorily retired from service, as they are a drain on the service. Their performance must be vigorously assessed.

Because I work on leukemia, the image of cancer I carry in my mind is that of blood. I imagine that doctors who work on breast cancer or pancreatic cancer have very different visualizations.

I was actually very pleased that they let me do it, because I feel very deeply for breast cancer survivors. I don't have it, but it is in my family. I've always been very aware of it. I go for mammograms and checkups.

Democrats cannot win elections without capturing the votes of independent-minded swing voters. And that is where writing off the Tea Party as a bunch of racist kooks becomes self-destructive. The Tea Party outrage over health-care reform, deficit spending and entitlements run amok is no fringe concern.

Every year, thousands of startups are founded - not only in technology, but increasingly also in health care, education, and energy.