Relations remain rocky between the Palestinian political parties Hamas and Fatah. On Feb. 13, a group of high-ranking Hamas officials met with a delegation representing Mohammed Dahlan, who was previously the security chief in the Gaza Strip and is a former Fatah member. Now, however, Dahlan is a fierce rival of Fatah leader and Palestinian Authority President Mahmoud Abbas. By entertaining the possibility of working out a deal with Dahlan, Hamas officials are sending a message that they have other options than to strike a deal with Fatah....