In this week's Monday Briefing, MEI experts Paul Salem, Alex Vatanka, Eran Etzion, and Gerald Feierstein provide analysis on recent and upcoming events including the Pope's upcoming visit to Egypt, Ahmadinejad's public feud with Ayatollah Khamenei, Israeli efforts to draw Russian support away from Iran, and the appointment of Prince Khalid bin Salman as Saudi Ambassador to the U.S.