Ok, so the world's dreams of "peaceful dialogue" between President Saleh and his opponents may not be happening, but at least this week has seen one important dialogue on the Yemeni political situation. Gregory Johnsen of Waq al-Waq (@gregorydjohnsen) and Prof. Charles Schmitz of Towson University (@cpschmitz) held forth on Yemen's affairs on the topical video blog site bloggingheads.tv. Bloggingheads has invited us to share the video with you here. Enjoy: