Dr. David Jentsch joins protest after his car was firebombed last month . The University of Maryland campus in College Park is a microcosm for the national debate over free speech on college campuses. Since 2006 , there have been seven attacks aimed at researcher 's homes or cars . Jentsch : `` This is terror . Jentsch 's own research involves studies aimed at treating drug addiction in humans . There is no two ways about it . It 's extremism ''
Dr. David Jentsch joins protest after his car was firebombed last month . The University of Maryland campus in College Park is a microcosm for the national debate over free speech on college campuses. Since 2006 , there have been seven attacks aimed at researcher 's homes or cars . Jentsch : `` This is terror . There is no two ways about it . It 's extremism ''