Jeff Zucker to become new head of CNN Worldwide . Jeff Zucker is a news and programming veteran who rose to head of NBC . The original 24-hour news network , CNN has the greatest reach of any domestic news network . While producer of CNN Worldwide 's `` Today '' show , helped make it No . 265 million . Zucker is `` passionate '' about journalism .
Jeff Zucker to become new head of CNN Worldwide . Jeff Zucker is a news and programming veteran who rose to head of NBC . While producer of CNN Worldwide 's `` Today '' show , helped make it No . 265 million . Zucker is `` passionate '' about journalism .