The Hamas government's deputy foreign minister Dr. Ahmed Yousef is actively campaigning for the Gaza regime to form a strategic partnership with Iran on the same lines as the Iranian-Syrian-Hizballah alliance. DEBKAfile's sources report Yousef heads the radical Hamas's "moderate" wing. His campaign and invitation to the Iranian president, endorsed by the Gaza regime and Tehran, emerges as the key impediment in the path of US efforts to revive Israel-Palestinian talks.