Summary: Headlines for November 21, 2012; As Bus Bomb Hits Tel Aviv, Sharif Abdel Kouddous on Egypt's Mediator Role and Gaza's Ongoing Torment; Debate: From Short-Term Ceasefire to Long-Term Peace, How to Resolve the Israel-Gaza Crisis?; Wal-Mart Accused of Threatening Workers with Retaliation Ahead of Black Friday Walkouts, Protests
