The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.

The study of geography is about more than just memorizing places on a map. It's about understanding the complexity of our world, appreciating the diversity of cultures that exists across continents. And in the end, it's about using all that knowledge to help bridge divides and bring people together.

I'm measuring my actions against that inner voice that for me at least is audible, is active, it tells me where I think I'm on track and where I think I'm off track.

I don't know about Cricket but still I watch Cricket to see Sachin play..Not because I love his play, its because I want to know the reason why my country's production goes down by 5 percent when he is in batting

I'm told there's a saying from those ancient times, kalos kai agathos, when someone or something is good and beautiful on the outside, but is also good and noble on the inside in terms of character and in terms of purpose. And I think that's a fine description of the friendship that exists between the Greek people and the American people.

We have an obligation and a responsibility to be investing in our students and our schools. We must make sure that people who have the grades, the desire and the will, but not the money, can still get the best education possible.

Theoretically, you can make, obviously, a powerful argument that centuries of slavery, Jim Crow, discrimination are the primary cause for all those gaps. That those were wrongs done to the black community as a whole, and black families specifically, and that in order to close that gap, a society has a moral obligation to make a large, aggressive investment, even if it's not in the form of individual reparations checks, but in the form of a Marshall Plan, in order to close those gaps. It is easy to make that theoretical argument.