Guardian: Despite petitions calling for his sacking and even fellow unionists accusing him of turning Northern Ireland into a laughing stock, the Democratic Unionist party is sticking by climate change sceptic Sammy Wilson, who is the province’s environment minister. All the major parties in the Northern Ireland assembly have now said Wilson is unfit to hold the office, after he used his powers this week to ban government television adverts from the province’s airwaves. Wilson said the Act On …