ONE WEEK TO SAVE THE VOTE

The Senate has one week before vacation — and the fight to require proof of citizenship to vote hangs in the balance. Trump calls Iran’s bluff and oil collapses. A new report finds nearly half of Medicaid’s expansion rolls were never eligible. The border hits record lows — so it’s time to finish the job. And the FDA finally admits the truth about fat and sugar. Ammon Blair, Eric Eggers, Chris Clem, and Heather McIsaac join David.