How ESPN is trying to stay relevant as cable declines

ESPN has been the most dominant sports channel for more than 40 years. It holds live sports rights including the NFL's Monday Night Football, the NBA and the WNBA. But as millions of Americans cancel their cable TV subscriptions and big tech companies like Amazon and YouTube bid on live sports, ESPN has had to adjust — or decline along with the pay-TV business. CNBC sat down with former and current executives to talk about the future of the sports juggernaut.