It’s time we framed every question - every issue -- not in terms of what’s in it for ‘me,’ but what’s in it for all of us?

If Russia is there [in Syria] alone fighting them [ISIL], guess what? Russia becomes the target and Russia starts seeing - who knows - MANPADs will find their way in there, airplanes will fall out of the sky. They will become vilified. They'll become the new magnet, together with Assad, for the jihadis.

For those of us who are fortunate to share an Irish ancestry, we take great pride in the contributions that Irish-Americans.

[Bashar] Assad has made a series of choices ever since then that is literally destroying his country.

Strong leadership demands more than the willingness to use force. It means directing the use of the right tools at the right time for the right purpose and the right cause.

What remains unchanged is the principle, which is that we do not launch wars without overwelming reasons, and overwhelming alliances, and without overwhelming force.

I can tell you, Massachusetts, fastest growing sector of our economy is clean energy and energy efficiency companies. And they're growing faster than any other sector.