It was meant to be a shining jewel for Las Vegas in the heart of the new Symphony Park. But amid a tarnished economy, plans for the new World Jewelry Center are being put on hold for up to six years.  Lots of incredible things are happening where the land for the Jewelry Center is ready and waiting: medical centers and a massive concert hall are under construction.  But a 52-story skyscraper filled with jewelry companies? That's an idea in serious jeopardy...more