E-mails sent by a “conservative” student to a “liberal” professor, calling him a traitor and threatening to “puke” all over him are not protected political speech, the Nebraska Court of Appeals said in a decision last week. Darren J. Drahota was found guilty of disturbing the peace and fined $250 for e-mails he sent to Bill Avery, then a University of Nebraska-Lincoln political science professor and now a state senator from Lincoln . The Nebraska Court of Appeals upheld the conviction, saying libelous and insulting or “fighting words” are not protected by the Constitution. The court described the content of...