DUBAI (Reuters) – Tehran authorities have taken down some anti-American posters, amid signs Iran is seeking better relations with the United States as the two sides prepare to hold talks over its nuclear program. A Tehran municipal official said some anti-American billboards had been put up illegally and had been taken down, state news agency IRNA said on Saturday. “In an arbitrary move, without the knowledge or confirmation of the municipality, one of the cultural institutes installed advertising billboards,” said spokesman Hadi Ayyazi. Ayyazi did not say which posters had been taken down. According to IRNA, new anti-American posters were put up in busy Tehran thoroughfares since last week, ahead of the November 4 anniversary of the 1979 seizure of hostages in the U.S. Embassy. One depicted an Iranian negotiator sitting at a table with a U.S. official who is wearing a suit jacket but also army trousers and […]