You may remember the circumstances around the unconstitutional Johnson Amendment: http://www.speakupmovement.org/church/LearnMore/details/5252
Even worst than breaking a human covenant, however, is breaking God’s. And God didn’t come intent on being a meanie, but he won’t excuse those who choose spiritual destruction all the time.
The Johnson gag can be circumvented by presenting a broad assessment of all candidates for the office, containing full analysis of their positions and crimes.