I think three debates is good. I think it should be on a night where viewers are going to be able to watch.

Just saw the phony ad by [Ted] Cruz. Totally false. More dirty tricks. He got caught in so many lies. Is this man crazy?

Another immigration reform involves new screening tests for all applicants that include - and this is so important, especially if you get the right people, and we will get the right people - an ideological certification to make sure that those we are admitting to our country share our values and love our people!

Excessive regulation is costing America as much as $2 trillion a year. And I will end it very, very quickly.

Anything greater than 350 of parts of carbon dioxide per million is more than the planet can safely deal with. It is what's overwhelming our climate system. Because we've been going up about three parts per million per year. And eventually, we will always be above 410, and then above 420, and above 430. We just keep pouring more carbon into the atmosphere.

We have to create that strength, and sometimes we have to reduce bureaucracy. It just gets in our way.

I'm a big free trader. But it has to be fair.