GAZA CITY, Gaza Strip - No clear winner is emerging from the deadly fighting in Gaza between the Hamas and Fatah movements, a sign that neither is strong enough to knock the other out. The bitter rivals have been buying, smuggling and building weapons for months trying to gain an edge, but they have held back from all-out battle and find themselves in a stalemate. That leaves many Palestinians with grim hopes that a power-sharing deal still can be worked out between the Islamic militants of Hamas and the more moderate President Mahmoud Abbas of Fatah. Bursts of violence have...