[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/11/09/art.amanpour.writer.jpg caption="Sr. Writer Tom Evans"] On AMANPOUR. today – the botched Christmas Day terrorist attack on a U.S. airliner has shone a spotlight on one of the Arab world’s poorest nations: Yemen.  Why is Yemen such a hot spot for al Qaeda? What makes it a safe haven for militants? Experts say the country … Continue reading Tom's Take (AM)