Is Silicon Valley tougher for African-Americans?

 New 2006 data from the U.S. Census Bureau suggests the valley's post-bust economy has been tougher on blacks and Latinos than on other ethnic groups. While the typical white and Asian household in Santa Clara County has nearly recovered to the same income it had before the crash, the typical African-American household is earning about three-quarters of what it earned in 1999.  Click to continue at MercuryNews.com