OMAHA, Neb. — Nebraska Gov. Jim Pillen was injured Sunday after being bucked off a horse and is expected to be hospitalized for several days. Pillen, a first-term Republican, was with his family when he was thrown off a new horse and injured, according to the governor’s office. He was taken to a hospital in Columbus, Nebraska, and then transported to the University of Nebraska Medical Center in Omaha. The governor’s office said Pillen is conscious and alert and has been in touch with his staff.