not a good bill.  
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disruptive hecklers should be removed by security as it is done in most public venues. part of college life is discovering heckling and its academic consequences as determined by each college and university guidelines.
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those who resort to criminal assault, terroristic threatening, arson, criminal property damage or riot, however, deserve to be arrested and prosecuted under existing criminal law.  no university or college should allow such criminal activity to flourish without punishing violators.