1. Virginia Democratic State Senator, Phillip Puckett resigned on Monday, tipping the legislative balance in favor of Republicans and leaving Governor Terry McAuliffe’s plan to expand Medicaid under the ACA hanging in the balance. Joining All In to discuss are Huffington Post’s Washington Bureau Chief, Ryan Grim, The Washington Post’s Michael Laris, and Virginia Del. Mark Sickles.
2. Chris Hayes is joined by political reporter and host of Ralston Reports, Jon Ralson, to discuss the implications of the shooting in Las Vegas on Sunday.
3. Chris Hayes weighs in on the “genuinely vile” speculation surrounding freed POW Bowe Bergdahl’s captivity and release.








