Silicon Valley Elite Pour $118 Million to Sink Calif. Wealth Tax: California's richest residents are opening their checkbooks to kill a wealth tax before voters can weigh in, with Google co-founder Sergey Brin alone pouring $82 million into the opposition and a small circle of tech billionaires driving the total anti-tax haul past $118... #SiliconValley #WealthTax #California #Billionaires #TechGiants