If the global economy is unresponsive to people who feel left behind, if inequality continues to grow, then we could end up seeing more and more of these divisions arise throughout advanced economies around the world.

The government of Libya announced the death of Moammar Gadhafi. This marks the end of a long and painful chapter for the people of Libya, who now have the opportunity to determine their own destiny in a new and democratic Libya. The Gadhafi regime ruled the Libyan people with an iron fist. The enormous potential of the Libyan people was held back and terror was used as a political weapon. The last major regime strongholds have fallen. The new government is consolidating the control over the country. And one of the world's longest-serving dictators is no more.

Al Qaeda is still a threat. We cannot pretend somehow that because Barack Hussein Obama got elected as president, suddenly everything is going to be OK.

I think that there is a particular mindset that was on display in the run-up to the Iraq war that continues to this day. Some of the folks who were involved in that decision either don't remember what they said or are entirely unapologetic about the results, but that views the Middle East as a place where force and intimidation will deliver on the security interests that we have, and that it is not possible for us to at least test the possibility of diplomacy.

Ultimately, peace is just not about politics. It's about attitudes; about a sense of empathy; about breaking down the divisions that we create for ourselves in our own minds and our own hearts that don't exist in any objective reality, but that we carry with us generation after generation. And I know, because America, we, too, have had to work hard over the decades, slowly, gradually, sometimes painfully, in fits and starts, to keep perfecting our union.

Today’s decision was a victory for people all across this country whose lives will be more secure.

In December, I agreed to extend the tax cuts for the wealthiest Americans because it was the only way I could prevent a tax hike on middle-class Americans. But we cannot afford $1 trillion worth of tax cuts for every millionaire and billionaire in our society. We can't afford it. And I refuse to renew them again.