Leonard Leo is well known in the legal arena. Long a leader in The Federalist Society, he currently serves as the group’s co-chair. Leo worked with then-President Donald J. Trump on his judicial picks, including the list of potential nominees to the Supreme Court of the United States.Last week, the New York Times reported on a huge largesse — $1.6 billion — for Leo’s newest dark money vehicle, the Marble Freedom Trust.Past effortsThe use of money to fund politics is done by both sides for a variety of issues and political …