The Minnesota legislature has passed a sweeping pro-worker labor bill that will require paid sick days, ban captive audience meetings during union drives, and more – Harold Meyerson reports.Also: Has Planned Parenthood gotten too cautious and too corporate? Are the risk managers running the organization? Eyal Press reports on the courage of independent abortion services, and the failures of Planned Parenthood.Plus: The secret history of the Koch Brothers: how the key to their empire, and their fortune, is a refinery south of St. Paul. "Kochland" author Christopher Leonard has that story.