Carrie S. Willis, Individually and as Trustee of the Trust of James C. and Norma D. Willis v. United States
1. Whether the discretionary-function exception shields the Government from suit whenever a government agent fails to fulfill a mandatory duty that applies only in certain circumstances, on the theory that the agent must have determined those circumstances did not exist.
2. Whether the discretionary-function exception shields a government agent's undisputed failure to exercise discretion.
Whether the discretionary function exception shields the Government from suit whenever a government agent fails to fulfill a mandatory duty that applies only in certain circumstances, on the theory that the agent must have determined those circumstances did not exist