Is it possible to covet a much longer life for one's self and be as devoted to the well-being of the next generation? It's a long argument.

The human animal has evolved as a preeminently social animal.

I don't believe that efforts to prohibit only so-called reproductive cloning can be successful.

There's an ancient tension between wanting to savor the world as it is and wanting to improve on the world as given.

Even if certain rogue countries do things we wish nobody did, it doesn't necessarily mean that their foolishness should justify our following suit.

My job is to provide the president with the richest possible consideration, so that he knows what is at stake in whatever decision he makes.

The technical is not just the machinery. The technical is a disposition to life.