One of the biggest tax stories of recent months has been the sweeping changes being made to the US tax system. It's clear that when the world's biggest economy makes significant tax changes, it's a big deal worldwide, the effects are far-reaching and could affect all of us. What are the implications for policy makers, and what should businesses be aware of? Barry Murphy, Partner at PwC explores in conversation with Tom Pattern, a US Tax Partner in PwC and Will Morris, our Deputy Global Tax Policy Leader at PwC.