This should prove interesting.
The Pope himself, when asked to put in a word with his boss for the failing Italian airline Alitalia, replied,
“I have been praying for you for some time.” [news]
Now, if god listens to anybody, surely his infallible representative on earth must have the best chance. So when Alitalia goes bust, as it inevitably will, there will be indisputable proof that prayer doesn’t work.
Job done. Next, black==white.