Steve Wolfson was appointed as the district attorney for Clark County in March 2012. And next year he will be running for relection. During his term, the office has changed how it deals with death penalty cases and officer-involved shootings. But it has also recently come under fire for paying witnesses for pre-trial meetings, which the office has stopped doing. So why change that policy? And have other reforms gone far enough? We talk to the district attorney about these issues and more.