Many top givers have business ties with state SACRAMENTO - Gov. Gray Davis has tapped labor unions, developers, and the financial and entertainment industries over the past three years to raise a record-breaking $42 million for his re-election bid. He has appointed many of his largest donors to seats on key advisory boards; other contributors have received major state contracts. No evidence shows a direct relationship between Davis' political decisions and his hunger for contributions. But a massive campaign treasury inevitably brings, at a minimum, the perception of conflicts of interest. And with the national lens on campaign finance reform,...