Here's a Challenge: Study a complicated topic in such detail that anyone interested can nod their head and understand as you explain specific concepts within the topic.
Turmoil is a call for awakening. Every challenge, great or small, is moving you to look deeper and draw forth the highest in you. You're never given a challenge beyond your ability to meet and master. You'll rise above every circumstance because you're greater than any circumstance.
So long as I'm the president, we will. I clearly see the challenge. I see the challenge of what these threats pose to our homeland, and I see the challenge of what these threats pose to the world.
As a matter of fact, it's in our interests that we help reformers across the Middle East achieve their objectives. This is the fundamental challenge of the 21st century.