Divine backing failing?

While Donald Trump and Ted Cruz are still trying to out pray each other, it is rather remarkable how unsuccessful politicians claiming God’s backing have actually been.
Michele Bachmann, Sarah Palin, Rick Santorum, Mike Huckabee, Ben Carson have all claimed divine encouragement for their unsuccessful running. Some even revealed that God itself had told them to run.
Perhaps there’s nothing behind the voices roaming around in their heads?
The only “winner” in recent history claiming divine backing, was George W. Bush, – and we’ve seen the devastating results of his “faith” and the impact he had on “God’s own country”.