Every gun regulation that President [Barack] Obama has advocated for, California has already. And it didn't stop terrorism.

When you couple this militarization of law enforcement with an erosion of civil liberties and due process that allows the police to become judge and jury - national security letters, no-knock searches, broad general warrants, pre-conviction forfeiture - we begin to have a very serious problem on our hands.

Republicans traditionally say, 'oh, we'll cut domestic spending, but we won't touch the military.' The liberals - the ones who are good - will say, 'oh, we'll cut the military, but we won't cut domestic spending.'

There comes a time, there comes a time in the history of nations when fear and complacency allow power to accumulate and liberty and privacy to suffer. That time is now and I will not let the Patriot Act, the most unpatriotic of acts go unchallenged.

As commander-in-chief, I will do whatever it takes to defend America. But in defending America, we cannot lose what America stands for.

I don't think we're actually using the constitutional tools that we have in an appropriate fashion.

I think the problem with John Bolton is he disagrees with President Trump's foreign policy. He would be closer to John McCain's foreign policy. John Bolton still believes the Iraq war was a good idea. He still believes that regime change is a good idea. He still believes that nation-building is a good idea.