Earlier this month, Josh Katz noticed a dip in sales at his kosher restaurant, Ben Yehuda Pizza in Silver Spring, Maryland.He knew the culprit, and it wasn't antisemitism or an anti-Israel boycott. The federal government's shutdown had left hundreds of thousands of federal employees across the country furloughed, and his regular customers were tightening their belts.“People are being a little bit more vocal about their financial insecurities at the moment,” said Katz. “They're just not sure