(a)

Open borders? No, that's a ... proposal ... which says essentially there is no United States...

It would make everybody in America poorer -- you're doing away with the concept of a nation state, and I don't think there's any country in the world that believes in that. If you believe in a nation state or in a country called the United States or UK or Denmark or any other country, you have an obligation in my view to do everything we can to help [our] poor people. What some people in this country would love is an open-border policy. Bring in all kinds of people, work for $2 or $3 an hour, that would be great for them. I don't believe in that. I think we have to raise wages in this country, I think we have to do everything we can to create millions of jobs...

I think from a moral responsibility we've got to work with the rest of the industrialized world to address the problems of international

(0a)

Scott Alexander, writing at Slate Star Codex, has some words:

So presidential candidate Bernie Sanders has proposed universal free college tuition.

On the one hand, I sympathize with his goals. If you can’t get any job better than 'fast food worker' without a college degree, and poor people can’t afford college degrees, that’s a pretty grim situation, and obviously unfair to the poor.

...

But, well, when we require doctors to get a college degree before they can go to medical school, we’re throwing out [$5 billion], enough to house all the homeless people in the country... Senator Sanders admits that his plan would cost $70 billion per year. That's... enough to give $2000 every year to every American in poverty.

At what point do we say "Actually, no, let's not do that, and just let people hold basic jobs even if they don't cough up a a hundred thousand dollars from somewhere to get a degree in Medieval