9 Discovery -branded channels bowed Wed on YouTube. Future plans include a roll out of targeted intl channels showcasing localized and native language content for specific global regions. The pair will collaborate on promotion and development initiatives to engage YouTube users. — A revamped NHL.com will roll out next month NHL GameCenter, offering live streams of select league games. [More details on both items at www.cablefaxcontentbusiness.com]www.cablefaxcontentbusiness.com].