A summer internship application at a New York start-up took a shocking turn when a Cornell University student rejected an interview opportunity with an antisemitic message, telling the company he was “Not interested in working for a Jew. Thanks.”The message was sent by 19-year-old Austin Franco after he had applied for a summer role at VryfID, a New York-based start-up that helps connect renters with landlords and verifies identities to reduce fraud. The company is run by brothers Gabe and Aiden Einhorn, who are Jewish.According to the founders, Franco had already submitted an application and was being considered for a...