Rich people are often able to pay little or no tax compared to their wealth because of the way the system works. In recent years, many have called for changes and reforms so that instead of income, wealth is also taxed. But, wealth taxes are not a new thing. Many argue that they are key for addressing inequality but some say they simply aren’t an effective way of gaining revenue. Charmaine Cozier asks can we make the super-rich pay more tax? Producer: Olivia Noon Researcher: Bethan Head (Activists March In Manhattan NY, calling for a tax on Billionaires. Credit: Spencer Platt/Getty Images).