BAGHDAD (Reuters) - A journalist stops a man in a Baghdad street and asks about the security situation. The man cheerfully replies: "Security has vastly improved, we used to go home at 7:30 p.m. but now we can stay out as late as 7:45!" A sound effect of an explosion during the conversation shakes the camera, adding a tongue-in-cheek dose of reality to the comedy clip by a new Iraqi channel aiming to win audiences with a unique style of political and social satire. Al-Sharqiya, meaning the "the Eastern one," is Iraq 's first privately owned channel. It launched satellite...