In our pursuit of progress, we have of course looked to East Asia's so-called "tiger" economies for inspiration.

WSJ: Paul Kagame: Rwanda and the New Lions of Africa

The President and the NASA Administrator both believe that we have to be forward thinking and aggressive in our pursuit of new technologies to take us beyond low-Earth orbit.

WHITEHOUSE: The White House

And in our dealings with that government with our international partners, we have been relentless in pursuit of a policy that insists that Iran give up its nuclear weapons ambitions, get right with its international obligations.

WHITEHOUSE: Press Briefing

Again, as I've said and I said earlier today, our interest as it relates to our grave concern about the help that's provided to terrorists, the grave concern that we have about the pursuit of a nuclear weapon remain unchanged.

WHITEHOUSE: Press Briefing