NPR 's Planet Money did a good episode (<20 minutes) on this topic: http://www.npr.org/blogs/money/2011/02/07/131363098/the-tuesday-podcast-why-gold http://www.

NPR 's Planet Money did a good episode (<20 minutes) on this topic: http://www.npr.org/blogs/money/2011/02/07/131363098/the-tuesday-podcast-why-gold http://www.npr.org/blogs/money/2011/02/07/131363098/the-tues...