As if the news from Wall Street, Detroit, and Starbucks was not bad enough, DigitalMusicNews.com is reporting that CD sales have now fallen to less than half the number of CDs sold in their peak year, 2000. In 2008, CD sales were down 54.6 percent from 2000, or a giant 514.6 million units less. Soundscan counted over a billion "a la carte" downloads last year from digital services like iTunes and Amazon.com. Now a billion singles sounds like a lot, but it is not even close to making up the reven