Palestinian reconciliation? What's driving Hamas and Fatah this time.

The political and ideological tensions between Palestinian factions Hamas and Fatah exploded into civil war a decade ago. There were clashes, shootouts, and execution-style killings in the streets. Rivals were even thrown off high-rise rooftops.

The internecine fighting that claimed some 600 lives by the spring of 2007 was replaced by a cold war and a division of power, with militant Islamist Hamas seizing power in the Gaza Strip, and Fatah, the dominant secular party of the Palestine Liberation Organization, ruling Palestinian areas in the West Bank.

Despite multiple efforts at reconciliation from a rotating cast of regional players, the sides have remained in deadlock.

But this week Egypt, eager to regain its place as a power broker in the Middle East, will be hosting another round of talks. Fatah officials traveled to Gaza last week for the first time in three years and held a joint cabinet meeting amid cheering crowds. There seems to be movement in the