Sergey Brin gives $25m on top of $20m he’s already given to Super Pac trying to blocking state’s proposed 5% wealth taxA Google founder has more than doubled his financial contribution to the fight against a proposed wealth tax in California.

Sergey Brin gives $25m on top of $20m he’s already given to Super Pac trying to blocking state’s proposed 5% wealth taxA Google founder has more than doubled his financial contribution to the fight against a proposed wealth tax in California.