Today’s case involves the ownership of a World War II-era P-51 Mustang fighter plane and several issues put before the 7th U.S. Circuit Court of Appeals: the statute of limitations for conversion, the discovery rule when the statute begins to run, the equitable estoppel or fraudulent concealment rule tolling the statute and the doctrine of laches.The case of Greenhill v. Vartanian, No. 17-3526 (7th Cir. March 8, 2019), began in 2015 when Charles Greenhill and Amphib, his corporation, sued Richard Vartanian and …