Silicon Valley billionaires are lining up to condemn racism. But the tech and VC industry has a shameful, decades-long history of ignoring and perpetuating inequality. (AAPL, CRM, GOOG, FB, NFLX, INTC)

· In memos to employees and public social media posts, Silicon Valley leaders voiced support for the call for social justice in the wake of the death of George Floyd in Minneapolis.
· But their expressed concern for systemic mistreatment of blacks by police stands in contrast to the relatively little they've done to address...