WASHINGTON, D.C. — A backup data device containing Hillary Clinton’s emails exists in the FBI’s possession. The FBI is now challenged to produce the long forgotten device. The FBI received a Freedom of Information Act (FOIA) request “VIA CERTIFIED MAIL†Wednesday from Judicial Watch. The existence of this device is generating behind-the-scenes frenzy in the Beltway as the FBI continues to get hammered over its investigation of the Clinton email scandal. FBI director James Comey conducted an investigation based on small partial email discoveries here and there. The fact that the FBI did not look at all of her...