People have to recognize that it’s going to take some time for trust to be built not only between Democrats and Republicans, between Congress and the White House, between the House and the Senate. You know, we’ve had a dysfunctional political system for a while now.

We know what happens when Europeans start dividing themselves up and emphasizing their differences and seeing a competition between various countries in a zero sum way.

To restore America's competitiveness, we must recruit a new generation of science and technology leaders by investing in diversity.

I wonder, sometimes, whether men and women in fact are capable of learning from history--whether we progress from one stage to the next in an upward course or whether we just ride the cycles of boom and bust, war and peace, ascent and decline.

I believe that the U.S. can and should be a global leader in the development of alternative energy sources.

Time is running out for Iran to address the international community's growing concerns about its nuclear program.

A number of countries, including some who have loudly criticized the NSA, privately acknowledge that America has special responsibilities as the world's only superpower, that our intelligence capabilities are critical to meeting these responsibilities, and that they themselves have relied on the information we obtain to protect their own people.