Robert J. Howell, a professor at SMU in Texas, is a contributor to the Dallas Morning News.
Robert J. Howell, a professor at SMU in Texas, is a contributor to the Dallas Morning News. Courtesy photo
Robert J. Howell, a professor at SMU in Texas, is a contributor to the Dallas Morning News. Courtesy photo

Twitter intimidation could muzzle dissent

January 17, 2017 02:55 PM