Streaming service NBC News NOW is expanding its programming to 14 hours every weekday with a new two-hour show hosted by Christine Romans, a veteran business journalist.  Romans, who joined NBC News in 2023 after 24 years at CNN, has been promoted to chief business correspondent and will anchor a new 10 a.m. show starting this summer, NBC News announced this week. “At a moment when economic news and the forces shaping the global economy are increasingly central to the daily news cycle, we see a