If we are to meet the growing electricity demand in the United States without significantly increasing emissions of greenhouse gases, we must maintain a diverse supply of electricity, and nuclear power must be part of that mix.

Since coming to Congress, I have been advocating for increased resources for research in the physical sciences and for the Department of Energy Office of Science in particular.

Our dependence on foreign energy sources is our Achilles heel, not just in the realm of diplomacy, but in terms of our future as the world's economic leader.

As the Nation's primary supporter of research in the physical sciences, the DOE Office of Science led the way in creating a unique system of large-scale, specialized, often one-of-a-kind facilities for scientific discovery.

I remember the first time I met my wife, Elisa. As a favor to a friend, I had gone to her home to pick up her sister, Frances. Elisa opened the door, and at least for me, it was love at first sight.

We have so much discrimination in this world - colour, race, creed, all of these things - and there is an issue here that the right of marriage in the civil law is not extended to same-sex couples.

Some of the best relationships I had in high school were not romantic - they were with my best girlfriends.

I feel like you don't know if someone's equipped for a romantic relationship until they're out of their twenties.