Fool me once, shame on you. Fool me twice, shame on you.

Liberty is not the unique right of Americans or even Westerners, but is mankind's right.

China's idea of fair trade is government subsidies of its textile and apparel exports to the United States, currency manipulation, and forgiveness of loans by its government banks.

I like the idea of giving workers control and putting their money into their personal accounts.

A stem cell is essentially a blank cell capable of becoming another, more differentiated cell-type in the body, such as a skin cell, a muscle cell or a nerve cell.

The number of kids affected by obesity has tripled since 1980, and this can be traced in large part to lack of exercise and a healthy diet.

One poll shows that by 61 percent to 29 percent Americans under 40 say that Social Security needs to be fixed.