Rachel Maddow looks at several lines of inquiry in the Mueller investigation, from the utterly mysterious to the more obvious crimes, and notes that because there is so much still unresolved in the case, details cannot be shared, and certainly not with a subject of the investigation, his legal team, or his partisan acolytes.

Rachel Maddow talks with Steve Kornacki about history's lessons for what to expect from midterm elections and whether 2018 is likely to follow a familiar pattern that Donald Trump won't like.