Trump told supporters: “I only like polls that treat me well.†DES MOINES, Iowa, Dec. 12 (UPI) -- As the Des Moines Register prepares to release its key poll in the Iowa primary, Donald Trump slammed the paper calling it "dishonest." The paper previously found itself on Trump's bad side after it published an editorial in July calling for the real estate mogul to end his presidential campaign. He responded by refusing press credentials to Register reporters at his events. Trump knocked the paper at an event Friday in Des Moines: "You have one of the most dishonest right here...