As the war against Hamas enters a seventh week, Israel finds itself under intense pressure to justify its actions in Gaza, including the raid of Al-Shifa Hospital, which it says is a center of Hamas activity. Hamas and hospital officials deny the accusation. Patrick Kingsley, the Jerusalem bureau chief for The Times, was one of the reporters invited by the Israeli military on an escorted trip into the enclave. Guest: Patrick Kingsley, Jerusalem bureau chief for The New York Times.