Last week, the Supreme Court heard arguments in two potentially landmark cases on marriage equality in the United States -- one that challenges state laws that prohibit full marriage equality and another challenging the federal law that limits rights for married couples based on sexual orientation.

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As chairman and ranking member of the Senate Foreign Relations Subcommittee on African Affairs, we've seen firsthand the enormous toll of HIV/AIDS on families, communities and economies. We have traveled throughout Africa and visited those impacted by this terrible disease, and we have witnessed the results of U.S. assistance, which...

Republicans did their level best to slow down the Democrats' momentum last week by picking a fight on perhaps the only remaining issue on which they still think they have the upper hand with voters: faith.

The lack of the word "God" in the Democrats' platform, they contended,...

The Senate this week faced a choice between two starkly different tax plans -- one, authored by Democrats, which would protect tax cuts for every American family, and another, authored by Republicans, which raises taxes on working-class families to fund special breaks for the very wealthiest Americans.

It really...

Sometimes it's called "information security." Other times, it's called "Internet management," or a "hate-free Internet." Whatever the code-name for it, too many foreign governments, including Syria, Iran and China, restrict Internet freedom as a tool for suppressing free speech, free assembly and a free press.

Though the United States has...

Fifty million people around the globe have turned their attention to Uganda this week thanks to the tremendous power of social media and the nature of cause célèbres. Together they have catapulted a video about the vicious crimes against humanity committed by Joseph Kony and the Lord's Resistance...

Before I ever set foot in the United States Senate, I saw the Violence Against Women Act at work.

As a county executive in Delaware, my responsibilities included supervising the second-largest police force in the state. I saw firsthand how our law enforcement officers utilized the training and resources...

As the Senate Judiciary Committee takes up the Respect for Marriage Act today, we mark a major milestone on the path to equality for all American families. And while the Respect for Marriage Act may not become law during this Congress, take a moment to think about how far we've...

It's remarkable how much three words can say.

"You're not alone."

"I love you."

"It gets better."

The right three words can be the difference between hope and despair and, miraculously, "it gets better" has, for many gay, lesbian, bisexual and transgender youth, meant the difference between life and death.

America is full of good ideas.

In fact, Americans have so many good ideas that they created a record backlog of patent applications at the U.S. Patent and Trademark Office, presenting both an opportunity and a serious problem for our economy.

Experts say that a single patent can create...

There's a certain formula that goes into a speech like the one I gave Wednesday night in my comedic debut at the Washington Press Club Foundation's Congressional Dinner.

In that formula, the first 85 or 90 percent of your remarks are supposed to be funny -- biting, a little...

Those of us in the freshman class elected to Congress in November arrived with a specific objective -- getting our economy moving again. However, our goal cannot be mere recovery.

The American people deserve and expect policies that will lead to an economy and job market stronger, more vibrant,...

It was hard to watch nearly all my Republican colleagues step into the well of the Senate and vote against the Defense Authorization bill yesterday, but not because I suddenly expected to see a break in their pattern of reckless obstructionism. Rather, it was hard because of the horrendous message...