Testimony costs flight attendant her job Airline fires witness for admitting pot use By Kristen Green UNION-TRIBUNE STAFF WRITERJuly 12, 2002 Denise Kemal was fired June 28, more than two weeks after her nationally televised testimony, because the company has a zero-tolerance drug policy. Losing her job has ruined her life, Kemal said yesterday. "I've always wanted to fly," she said. "It took me years to get my job." She said she is appealing the dismissal because smoking marijuana "wasn't an everyday thing." While she waits for an answer, Kemal, 28 and recently divorced, watches the Westerfield trial from...