Climate change is such a consequential crisis to everybody in the world.

Donald Trump would end up raising taxes on middle-class families.

And please, please, lets us put mental health back on the top of our national agenda, our prisons and our jails are now our mental health institutions.

That is what I want to make clear today. A man with a long history of racial discrimination, who traffics in dark conspiracy theories drawn from the pages of supermarket tabloids and the far, dark reaches of the Internet, should never run our government or command our military.

Inflammatory, anti-Muslim rhetoric and threatening to ban the families and friends of Muslim Americans as well as millions of Muslim business people and tourists from entering our country hurts the vast majority of Muslims who love freedom and hate terror.

I don't think most Americans understand that, for certain very wealthy people, our federal income tax system is a subsidy system that makes them richer.

If you look at countries that are comparable, like Switzerland or Germany, for example, they have mixed systems. They don't have just a single-payer system, but they have very clear controls over budgeting and accountability.