By Juan Melamed PUNTA DEL ESTE, Uruguay — A Jewish businessman has offered to buy an 800-pound eagle and swastika crest from a former Nazi ship that is sitting in a Uruguay warehouse and explode it into “a thousand pieces.” A private expedition recovered the 6-foot-tall Nazi swastika and eagle crest in 2006. It had been affixed to the front of the Admiral Graf Spee Nazi warship, which was scuttled by British ships in a Montevideo harbor in December 1939. After its recovery, the eagle was briefly shown to the public in Montevideo, sparking controversy. Germany criticized the display of...