Barack Obama has not only said that he is out to 'change the United States of America,' the people he has been associated with for years have expressed in words and deeds their hostility to the values, the principles and the people of this country.

If you want to get each individual's honest opinion, you don't want that opinion to be influenced by others who are present, much less allow a group to coordinate what they are going to say.

Weighing benefits against costs is the way most people make decisions - and the way most businesses make decisions, if they want to stay in business. Only in government is any benefit, however small, considered to be worth any cost, however large.

Deep thinkers who look everywhere for the mysterious causes of poverty, ignorance, crime and war need look no further than their own mirrors. We are all born into this world poor and ignorant, and with thoroughly selfish and barbaric impulses. Those of us who turn out any other way do so largely through the efforts of others, who civilized us before we got big enough to do too much damage to the world or ourselves.

The same set of statistics can produce opposite conclusions at different levels of aggregation.

Apparently almost anyone can do a better job of educating children than our so-called 'educators' in the public schools. Children who are home-schooled by their parents also score higher on tests than children educated in the public schools. ... Successful education shows what is possible, whether in charter schools, private schools, military schools or home-schooling. The challenge is to provide more escape hatches from failing public schools, not only to help those students who escape, but also to force these institutions to get their act together before losing more students and jobs.

Young people in general - and young women in particular - need to understand that they cannot retrieve in their forties the opportunities they threw away in their twenties.