NEWS: Egypt's Prime Minister visits Gaza in his official capacity, further eroding Hamas' diplomatic isolation. Exchanges of fire between Israel and militants in Gaza continue in spite of the Egyptian visit. Hamas is testing its strength in the new Middle Eastern strategic environment. Pres. Morsy finds himself trapped between popular and ideological sympathy for Hamas and Egypt's foreign policy. Pres. Obama urges Morsy to help promote calm, and Morsy urges Obama to restrain Israel. Signs are increasing of a possible Israeli ground attack in Gaza. The conflict is also being played out in social media. Rockets fired from Gaza land near Tel Aviv, with both Hamas and Islamic Jihad claiming responsibility. The UN says one of its teachers in Gaza is among the civilians killed during Israeli attacks. Gaza residents are repeating defensive measures they learned in 2008 in order to survive. It's not clear how far Israel wants to take the conflict. Palestinian protesters are increasingly turning to closing roads as a form of nonviolent protest. Palestinian refugees in the Sidon area are trying to stay out of Lebanese sectarian tensions. Egypt's Muslim Brotherhood organizes demonstrations protesting Israel's actions in Gaza. COMMENTARY: Hussein Ibish says militant groups in Gaza, particularly Hamas, may be seeking to force Morsy's hand. Zvi Bar'el says Morsy's challenge is to arrange an Israel-Hamas truce that sticks. Dan Williams says Israel is not keen to invade Gaza. AP says the current Israeli offensive is similar to that in 2008, but with more limited aims. The LA Times says it's urgent that Israel and the Palestinians resume negotiations instead of exchanging attacks. Amira Hass says the conflict will probably end up strengthening Hamas politically among Palestinians.Jonathan Freedland says the conflict will resolve nothing. The National says Hamas hasn't learned from previous conflicts and is wrecking chances of Palestinian national reconciliation. Rania Elhilou says Gaza is not going to become unlivable, it is unlivable already.Chelo Rosenberg says Israel must disengage from Gaza altogether. Daniel Kurtzer says the conflict shows why it is vital for the United States to resuscitate the Israeli-Palestinian peace process. Daniel Byman says both Israel and Hamas have to be very careful in how they proceed, because both have much to lose in the current conflict.