Today, capitalism faces a deep structural crisis.

Today, we live in a world of incredible wealth and technology, alongside the most horrendous conditions of poverty, war and environmental crisis. This is result of capitalism, a system based on prioritizing profits not human need where the wealth is concentrated in the hands of a capitalist elite.

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.

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

The for-profit health insurance industry is the main obstacle to delivering high quality, universal healthcare for all. It should be replaced with a single-payer system, a public program that guarantees everyone coverage.

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.