Comcast, NBCUniversal’s parent company, is reportedly in talks to buy Xumo, a free streaming service totally supported by advertisements. That could help NBCUniversal make good on its plans to launch Peacock as a free, ad-supported service not unlike good old fashioned TV. Plus: Tesla is set to deliver its first cars built in China, a sleeping pill-induced money horror story and how swimsuit fabric drummed up controversy at the Olympics.