USA, Iran and Ghana

Frank Gardner walks down LA's meanest streets with the former gang members who are now trying to calm them down. But without gun control, how far can homicide rates really fall? And Iran's President is no fan of the Western press, but did that really mean a journalist could get better access to him in West Africa? James Reynolds explains why he had to go as far as Accra to track down Mahmoud Ahmadinejad.