The Congressional Budget Office tells us that Medicare spending has increased fivefold in the past 42 years, dramatically more than all other categories of federal spending.

I've become a less brave traveller since I became a dad, but in the past I was more foolhardy than brave.

No one can reasonably deny that Medicare is headed for insolvency, and that Medicare's insolvency, if not rectified, will lead to the federal government's insolvency.

Knowledge in the Internet Age - networked knowledge - is becoming more like what knowledge has been in the past few hundreds years for scientists: it's provisional; it's a hypothesis that is waiting to be disproved.

But in the past, US companies have been able to increase their profits through downsizing in the US, through colonizing other people's resources, and through the increase of globalization.

All the things that are in the past are in the past.