Big Oil, Wall Street and big business as a whole - they stand in the way of the kinds of change needed. They are fiercely against the radical reforms Bernie Sanders is popularizing.

We've seen the weakest economic recovery since World War II, and massive levels of inequality and debt.

There is plenty of work to do, but big business isn't investing in rebuilding a green economy for the 21st century. Instead, they put their money into a gigantic financial casino, and when that led to catastrophe in 2008-9, they made us pay for it.

Big Oil, Wall Street and big business as a whole - they stand in the way of the kinds of change needed. They are fiercely against the radical reforms Bernie Sanders is popularizing.

Socialism is a fundamentally different social system where the world's resources are not controlled by a greedy, undemocratic oligarchy. This is not the same as the capitalist welfare states that have existed in some European countries.

We have a rotting infrastructure that is literally poisoning children in Flint, Newark and elsewhere.

There are limits to reforming a system that is dominated by these massive and rapacious corporations.