David's back on CNN.com, this time with <A HREF="http://ac360.blogs.cnn.com/2009/01/29/unhappy-days-how-the-economy-will-tank">Unhappy Days: How the economy will tank when plain ol' TV goes away</A>. On rare occasions, the United States Congress does the right thing. This may be one of those occasions, but we'll have to wait until next week to find out. On Monday, the Senate voted to delay the U.S. television conversion from analog to digital by four months, from a February 17th "doomsday" to a potentially less problematic June 12.