The acid test is: Is this a joke that a Jewish person would tell to another Jewish person? I think it's clearly not. Real Jewish jokes are not based on assumed stereotypes like "good at business". Ergo: It's not an appropriate joke: It is laughing at us, not laughing wish us.
Key U.S. House Democrat cites troublesome issues in Iran nuclear deal (Reuters)
from the article: James Jones' Jewish joke - funny or inappropriate?