How you staff, particularly the chief of staff, the national security adviser, your White House counsel, how you set up a process in the system to surface information and generate options for a president, understanding that ultimately the president is going to be the final decision-maker. That's something that has to be attended to right away.

Essentially, Iran was sanctioned because of what had happened at Fordow, its unwillingness to comply with previous U.N. security resolutions about their nuclear program, and as part of the package of sanctions that was slapped on them, the issue of arms and ballistic missiles were included.

Weapons of war have no place on our streets.

It is our generation's task, then, to reignite the true engine of America's economic growth - a rising, thriving middle class.

If [black] nationalism could create a strong and effective insularity, deliver on its promise of self-respect, then the hurt it might cause well-meaning whites, or the inner turmoil it caused people like me, would be of little consequence.

The president of the United States is supposed to lead the free world and not follow it. Other nations have been more outspoken. So, I hope that we'll hear more of this because young men and women taking to the streets in Tehran need our support. The signs are in English. They're basically asking for us to speak up on their behalf.

I then spoke to chancellor (Angela) Merkel of Germany and we agreed that the United States and our European allies will work closely together in the weeks and months ahead.