NEWS: Israeli vehicles are attacked near the Egyptian border, with at least five killed. Israeli and Palestinian authorities are preparing to deal with possible massive demonstrations in September in the West Bank, but Reuters says there is no sign of them. Hamas bans 8 Gaza students from traveling to study in the United States for “cultural and social reasons.” Hamas denies it's moving its headquarters to Egypt. Turkey is likely to retaliate diplomatically for Israel's refusal to apologize for last year's flotilla incident. Prisoner swap talks between Israel and Hamas are reportedly deadlocked. Palestinians may be working with the EU to find an effective UN strategy. Hamas and other Palestinian factions find themselves in a difficult position over Syrian government attacks on Palestinian refugees. A Palestinian man faces a lonely struggle against a key settlement. Ousted former PLO official Muhammad Dahlan is struggling for his political survival. Pres. Abbas opens the Palestinian embassy in Beirut. COMMENTARY: Ha'aretz says the attacks on the border show Egypt is losing control of Sinai. D. Bloomfield wonders if PM Netanyahu is bluffing on the border issue. Hussein Shobokshi says Pres. Assad has become more dangerous to the region than Israel. George Hishmeh says the US is still not evenhanded. Israel's consul general in New England says Palestinians won't benefit from a UN initiative. Daoud Kuttab says Palestinians can still negotiate with Israel no matter what happens in September. Eva Bartlett looks at the dangers of swimming in Gaza. Josh Rubner says Congress should hold Israel responsible for use of US weapons. Oded Eran says secret talks have been useful between Arabs and Israelis.