The problem with statistics with a political bias is they are easy to fudge on because the people with the power often don't have the understanding to make informed decisions based on available data.
You can perform tests that bias your findings with a certain political agenda, and I(who has an different political agenda) can perform the same tests in a different way to bias the results toward my POV.
It's almost impossible to get an unbiased, policy free, truly scientific results from anyplace of renown. Somebody pays the bills and that somebody has to be kept happy.
Global Warming for instance, Eco-Nuts can produce studies that say mankind has at best 10 years and we'll all suffocate in our own pollution. I on the other hand, do not believe that mankind has anywhere near the capacity to wreck a planetary enviroment. Small pieces of it, sure, but the whole thing? After all we only have about 200-300 years of scientifically recorded data to use to make guesses about climatic change. Many of the thing Eco-Wackos assume to be caused by man could just as easily be part of some cycle that we can't perceive because it's so long.
