Iraq's search for weapons of mass destruction has proven impossible to deter and we should assume that it will continue for as long as Saddam is in power.

Because these consequences are distributed globally, the problem masquerades as a distraction. Because the length of time between causes and consequences stretches out longer than we're used to dealing with, it gives us the illusion that we have the luxury of time. Neither of those things is true.

I'm not a vegetarian, but I have cut back sharply on the meat that I eat.

I don't have the illusion that there's any position or role in the world with as much potential for bringing about change as that of president of the United States.

I was in elective politics for 24 years. I've made four national races, two for president, two for vice president. I have found there are other ways to serve, and I'm enjoying them.

I'm sorry I ever invented the Electoral College.

The physical relationship between CO2 molecules and the atmosphere and the trapping of heat is as well-established as gravity, for God's sakes. It's not some mystery.