If a problem can't be solved, enlarge it.

If a problem cannot be solved, enlarge it.

If a problem cannot be solved, enlarge it.

I have one yardstick by which I test every major problem - and that yardstick is: Is it good for America?

I have only one yardstick by which I test every major problem - and that yardstick is: Is it good for America?

[THE CHALLENGE:] There isn't one single solution to global warming, so the most challenging aspect of my job is deciding what to focus on, ... We have to carefully select the problems that we have the greatest chance of solving quickly.