Israel has imposed a tightened blockade over its million-and-a-half residents for nearly a month. Last month, award-winning Israeli journalist Amira Hass defied the blockade and entered Gaza on a boat with international peace activists. But on Sunday, Hamas officials told Hass they could no longer guarantee her security and forced her to leave. Hass was briefly detained by Israeli security officials upon reentering Israel Monday, because she did not have a permit for Gaza. Amira Hass joins us on the phone from Ramallah. [includes rush transcript]