““Role in Gaza Talks Signals a Comeback for Abbas Adel Hana/Associated Press Ahmad and Mahmoud al Masri on the rubble of their family home in Gaza on Tuesday. A cease-fire was holding for a second day. By ISABEL KERSHNER JERUSALEM — For months Israel called on President Mahmoud Abbas of the Palestinian Authority to break with Hamas, the Islamic group that controls Gaza, and to dismantle the new government that resulted from the reconciliation agreement.””