[ad_1] new York Times informed of Chicago businessman Barre Seid donated his entire business, tax-exempt, to the Marble Freedom Trust, a tax-exempt advocacy organization run by conservative activist Leonard Leo. A few months later, the trust sold the stock for more than $1.6 billion. And now it can use the tax savings to help fuel its political agenda. Democrats and Republicans have become more aggressive with both tax and campaign finance laws since the US Supreme Court of 2010 Citizen United decision, But the $1.6 billion gift is the largest…