Sarah, Ezra, and Matt take the deepest look they can at Senate Republicans' secret health care bill, plus a quick look at Jeff Sessions’s non-answers on Russia and new research on the long-term impact of lead exposure.Links!White paper of the week from the Brookings Institution: New evidence that lead exposure increases crimeCaitlin Owens in Axios on the Senate GOP not releasing their healthcare billDylan Scott on what it would look like it Senate Republicans voted to repeal ObamacareDavid Leonhardt's New York Times piece on the half-hearted opposition to the GOP’s health care planJeff Stein's piece on the left's game plan for beating the GOP health bill9 legal experts weigh on whether or not Sessions can discuss his conversations with the presidentKevin Drum on lead's connection to violent crime and lower IQs in Mother Jones