Reuters reports on the Syrian opposition arming friendly Palestinians to fight other Palestinians in a Palestinian neighborhood of Damascus
Palestinians have in any case been riven by factionalism for decades, their differences exacerbated by the 1975-1990 civil war in neighboring Lebanon, where they also have a strong presence. Intra-Palestinian fighting in Syria could lead to similar tensions in Lebanon.
The WaPo reports on fighting between Syrian Kurds and the FreeSyrian Army, but describe divisions within each group.
Compounding the complexity of the fight, however, are splits within both sides, which raise questions about whether the violence can be contained...Kurdish allegiances are also sharply divided between the PYD and the more moderate Kurdish National Council, which has sought an accommodation with the Syrian opposition.
In the meantime, The U.S. seems to get more involved in organizing the opposition, which seems like a good news. Clinton's words were quite strong
“We’ve made it clear that the S.N.C. can no longer be viewed as the visible leader of the opposition,” Mrs. Clinton said, referring to the Syrian National Council. It can participate, she added, “but that opposition must include people from inside Syria and others who have a legitimate voice that needs to be heard.”
I obviously write that as an expert on Foreign Policy.