The BusinessReport from the (Up-)Front; Hi-Def below the LineA shaky economy and falling viewership meant nervous networks at the upfronts. Also, many new shows will be in hi-def. That’s great for viewers, but what does it mean for the people who make TV?rssShareBy Kim Masters • May 12, 2014 • 1 min readKim Masterspartner/writer at Puck News, host of KCRW's “The Business.”Matt HolzmanProducer, 'The Document'Lyle SchwartzDirector of Network Implementation Research and Marketplace Analysis, Group MCultureEntertainmentArts