Scientists and engineers ought to stand side by side with athletes and entertainers as role models.

Our hearts are broken today for the parents and grandparents, sisters and brothers of these children and the families of the adults we lost....May god bless the memory of the victims and in the words of scripture heal the broken hearted and bind up their wounds.

What is certainly true is that the American people, just like the German people, just like the British and people around the world, are seeing extraordinarily rapid change. The world is shrinking, the economies have become much more integrated and demographics are shifting.

I spoke on the phone with President Rouhani of the Islamic Republic of Iran. The two of us discussed our ongoing efforts to reach an agreement over Iran's nuclear program. While there will surely be important obstacles to moving forward and success is by no means guaranteed, I believe we can reach a comprehensive solution.

[...] we must start by inspiring our children with a sense of purpose...by nurturing their imagination so that they may dream big and then work hard to reach those dreams. Too often, our children spend hours playing Playstation without ever finding out how to build Playstation. They watch television but never wonder how it's put together. They surf web page after web page on the Internet, but are never taught how to design one.

Number one, it is absolutely critical that we tone down the rhetoric when it comes to the immigration debate, because there has been an undertone that has been ugly. Oftentimes, it has been directed at the Hispanic community. We have seen hate crimes skyrocket in the wake of the immigration debate as it has been conducted in Washington, and that is unacceptable.

Does that mean that all vestiges of past discrimination would be eliminated, that the income gap or the wealth gap or the education gap [between Afro-Americans and white] would be erased in five years or 10 years? Probably not, and so this is obviously a discussion we've had before when you talk about something like reparations.