The controversial 5% wealth tax could cost California's record 246 billionaires anywhere from $50 million to $13 billion apiece. Whatever the sum, it has a number of its richest and most famous residents plotting moves. #Forbes

The controversial 5% wealth tax could cost California's record 246 billionaires anywhere from $50 million to $13 billion apiece. Whatever the sum, it has a number of its richest and most famous residents plotting moves. #Forbes