Indeed, I think any pressure on Cook will come in the form of sanctions against the company itself, forcing the board's hand into firing Cook or convincing him

Indeed, I think any pressure on Cook will come in the form of sanctions against the company itself, forcing the board's hand into firing Cook or convincing him to back down on his stance. Perhaps a deeper investigation into offshore tax havens by the IRS than other companies are currently under? The IRS is a powerful weapon of intimidation in the government's arsenal, and has been wielded many times in the past.