Washington (AFP) – The US Supreme Court will hear Monday a case involving an important medieval art collection that Nazi Germany acquired from Jewish dealers. The clash centers on gold crosses, jewels and other religious works from the 11th to the 14th centuries that are now on exhibit in a museum in Berlin. “This case has everything to do with restitution (and) remedying a forced sale, which has major financial implications. But at the heart of it is something that’s far more important, which is justice,” said Jed Leiber, a musician in California who has sued the German government on behalf o…