The U.S. and Israel remain divided on the issue of a settlement freeze (1) (2) (13), as Israeli Defense Minister Ehud Barak begins meetings with U.S. officials in Washington (4). A clash between Hamas and Palestinian security forces over the weekend leaves six dead in the West Bank (3). Ex-Pink Floyd rocker Roger Waters visits a Palestinian refugee camp and urges Israel to remove the West Bank separation barrier (8). Quartet envoy Tony Blair voices his optimism on the possibility of a diplomatic breakthrough in the coming weeks (9). American officials oppose Israeli plans to build a new hotel near the Old City in Arab East Jerusalem (12). Israeli settler council accuses U.S. of using “political terror” (14).