Violence and oppressive new laws make fair Zimbabwean election impossible-- JOHANNESBURG, South Africa - Two weeks before the most competitive presidential elections in Zimbabwe's history, many analysts, human rights workers and foreign diplomats have given up hope for anything resembling a free and fair poll. Ruling party militants have killed and tortured opposition supporters with impunity in what human rights groups say is a clear drive to scare Zimbabweans into voting for the ruling party, or not voting at all.