Governmental Taking of Private Property Moe Howard owns a parcel of property. Moe planned to build a home on the property and live there once he retired. Prior to his retirement, the United States government informed Moe that it was taking his property because it is building an interstate highway that will run through the property. Moe is shocked.

(a) Under what principle can the United States take a person's private property?

(b) What must the government demonstrate and do before it can take private property?