Common sense tells us that this explosion of media sources should eliminate any concern over a lack of diversity of views in the marketplace and competition.

New discoveries and production of resources like shale oil and gas are dramatically altering our energy supply outlook and the entire global geopolitical landscape. And the pace of change - particularly in the past few years - continues to accelerate.

Under President Obama's new health care law, Medicaid will become a very different health coverage program than first envisioned.

I know the exploding cost of health care is at the root of our long-term fiscal challenges.

I tell public audiences, don't go to a podiatrist for brain surgery; don't go to an astronomer for planetary science.

I haven't given up on working... across the aisle on issues and maybe it'll take an election or two for that to fully ferment, maybe it you know sometimes it takes awhile for people to realize what the best path is.

In politics there are some candidates who use change to promote their careers, and then there are those like John McCain who use their careers to promote change.

A vote to leave would be a leap into the dark that would put our status as a science superpower at risk. That is why I will be joining Boris in making a positive case for Britain's future in a reformed E.U.