Your voice can change the world.

A mother deserves a day off to care for a sick child or sick parent without running into hardship - and you know what, a father does, too. It's time to do away with workplace policies that belong in a 'Mad Men' episode.

I [give] maybe the long-winded speeches that not everybody reads, but I can also do a slow jam on Jimmy Fallon better than most.

One of the things you discover about being president is that there are all these rules and norms and laws and you got to pay attention to them.

Iran won't pursue nuclear weapons because 'it's contrary to their faith.'

Slowly, but surely, we are moving in the right direction. We're on the right track. The economy is getting stronger

Here's the truth: even if countries like the United States curb our emissions, if growing countries like India - with soaring energy needs - don't also embrace cleaner fuels, then we don't stand a chance against climate change.