More retirees, longer life expectancy, larger benefits, and fewer workers - these trends have meant substantial increases in the payroll tax. Since the social security program began, the payroll tax has increased more than 500 percent.

Conservatives have long argued, correctly, that 'fine-tuning' the economy is a chimera, but that argument seems to have disappeared from the conservative handbook.

Education is the key to the future: You've heard it a million times, and it's not wrong. Educated people have higher wages and lower unemployment rates, and better-educated countries grow faster and innovate more than other countries. But going to college is not enough. You also have to study the right subjects.

Well-roundedness comes not from sitting in a classroom but from experiencing the larger world.

The first thing you learn when you're blogging is that people are one click away from leaving you. So you've got to get to the point, you can't waste people's time, you've got to give them some value for their limited attention span.

America has the highest standard of living of any major country in the entire world. To maintain and enhance that standard of living, America should continue to embrace those qualities which have made America great: openness and dynamism. Openness to new technologies, new ideas and new people is America's greatest source of strength.

If China and India were as rich as the United States is today, the market for cancer drugs would be eight times larger than it is now.