Why Chanos Is Shorting Mallinckrodt and Express Scripts

The video discusses a short thesis on two pharmaceutical companies, Mallinckrodt and Express Scripts, highlighting issues with drug pricing in the U.S. Mallinckrodt's Acthar drug has seen a massive price increase, and PBMs like Express Scripts are accused of benefiting from rising drug prices. The video draws parallels to Philidor's impact on Valeant and suggests potential regulatory actions. Financial analysis indicates significant debt and valuation concerns for Mallinckrodt.

What legal action was taken against Express Scripts by their biggest customer?

What is the significance of the relationship between Express Scripts and Mallinckrodt as discussed in the presentation?