A cousin of former top Hillary Clinton aide Huma Abedin was convicted of fraud and sent immediately to jail on Tuesday. In addition to fraud, Omar Amanat is accused of trying to tamper with potential evidence by allegedly asking his brother in an email to “delete all of my emails from the yahoo site” because he was afraid of a subpoena. Amanat, who did business with a man known as the “Russian Donald Trump,” was reportedly determined to be a flight risk by a judge. The indictment charges that Amanat convinced people to invest millions of dollars in a tech...