If parishioners put up on the fence in front of their church a 6 meters x 4 meters pink billboard whose only message is the commandment ‘HUWAG MAGNAKAW!’ (Thou shalt not steal!) will it be taken down for violating the rules for election campaign materials? This was among the questions that occurred to me while watching social media videos of campaign tarpaulins being taken down during the Commission on Elections’ launch this week of “Operation Baklas” (Take Down) against prohibited campaign materials. But what exactly is prohibited? The Comelec had ample time since 2016 to confer with all affe…