Ronan Bar, head of the Israel Security Agency (ISA), or Shin Bet, has gone from war hero to an intelligence lame duck overnight. There is now little doubt about his desire to resign as soon as the military and security situation allows. He has already sent out a letter to his 7,000 employees confirming that he takes full personal responsibility for Israel's failure to anticipate Hamas' plans, capacities and intentions, and postponing the need to understand the reasons for that failure until after