pretty interesting series of articles from the sf chronicle:
http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2004/06/09/MNGO572ISD1.DTL
http://sfgate.com/cgi-bin/article.cgi?file=/chronicle/archive/2004/06/09/MNGL2736S31.DTL
http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2004/06/10/MNGRA73O141.DTL
http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2004/06/09/MNGO572ISD1.DTL
http://sfgate.com/cgi-bin/article.cgi?file=/chronicle/archive/2004/06/09/MNGL2736S31.DTL
http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2004/06/10/MNGRA73O141.DTL