We have real enemies in the world. These enemies must be found. They must be pursued and they must be defeated.

There are always things that I think I wish I could have done better.

Obama said if elected his government would "harness technology to confront the biggest challenges that America faces".

You now have the potential of 200 people deciding who ends up being elected president every single time.

In America, we've set up a system whereby when you take on college debt, you will never have to pay more than 10 percent of your income in repayments. And what that will do is make sure that you will never be prevented from going to school just because of money. We want to make sure that you and others like you can succeed.

If you're looking for the safe choice, you shouldn't be supporting a black guy named Barack Obama to be the next leader of the free world.

If the people cannot trust their government to do the job for which it exists - to protect them and to promote their common welfare - all else is lost.