Spanish Prime Minister Pedro Sánchez said on Monday he will carry on in his post after threatening to resign over an inquiry into alleged corruption by his wife, Begoña Gómez. “I have decided to carry on as the head of the government with even more strength, if possible,” the Socialist politician said in his speech in Madrid. The huge solidarity rallies organized by his supporters in Madrid and other cities over the weekend had influenced his decision, which he said he had made together with his wife. Sánchez, 52, unexpectedly announced on Wednesday that he was considering stepping down after …