With the world's unprecedented inspections and access to Iran's program, we'll know if Iran ever tries to break out.

Long before being nerdy was cool, there was Leonard Nimoy.

For we have always understood that when times change, so must we, that fidelity to our founding principles requires new responses to new challenges, that preserving our individual freedoms ultimately requires collective action.

I don't think there's anybody who's run a campaign like [Donald Trump] successfully in modern history, not that I can think of. And, as a consequence because he didn't have the supports of many of the establishment in his own party, because he ran sort of an improvisational campaign.

Religious freedom doesn't mean you can force others to live by your own beliefs

I think that the FDA has not been able to catch some of these things as quickly as I expect them to catch and so we’re going to be doing a complete review of FDA operations. At bare minimum, we should be able to count on our government keeping our kids safe when they eat peanut butter. That’s what Sasha eats for lunch. Probably three times a week...

Health care has become a proxy for a broader set of issues about how much government should be involved in our economy, particularly coming off a huge economic crisis.