In 2005 San francisco bay times reported on a poll in new Zealand that found that new zealanders oppose the nations new gay inclusive civil unions law by a 3-1 margin. This poll was a call in poll tht cost $1. San francisco also reported that a scientific polling organization found that new zealanders favor the law by a margin of 56.4% to 39.3%. Explain why the two polls can give such widely differing results and which poll is likely to be more reliable.