Granting such immunity undermines the constitutional protections Americans trust the Congress to protect.

True leadership will not be measured by the ability to muzzle dissent, or to intimidate and harass political opponents at home. The people of the world want change. They will not long tolerate those who are on the wrong side of history.

The success of our economy has always depended not just on the size of our gross domestic product, but on the reach of our prosperity; on the ability to extend opportunity to every willing heart - not out of charity, but because it is the surest route to our common good.

I went through six years of battles on health care because I didn't have $100 million worth of advertising saying how it would never work.

Every four minutes, another American home or business goes solar.

We are one nation under God, and we may call that God different names but we remain one nation.

I'm blown away. I'm flabbergasted the president [Barack Obama] made the phone call to Rouhani after 30-plus, `79, 33 years or so. And there's a reason we haven't negotiated with Iran, because they're state-sponsored terrorists. They're the central bank for terrorism around the world.