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

Opinion

Twitter intimidation could muzzle dissent

January 17, 2017 2:55 PM

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