Tuesday's keynote from Retail's BIG Show 2013 featuring Bill Simon, Walmart U.S. president and CEO, will be live-streamed Jan. 15 at 8:30 a.m. EST from New York City. Simon will address thousands of retailers about the need for the retail industry's leadership on issues such as the economy and job creation. Keynotes from Sunday and Monday at Retail's BIG Show are already available to watch free on-demand. Register to watch for free.