For millions of Lebanese, this week's mass explosion of pagers and walkie-talkies, with its bloody aftermath, is painfully similar to the horrific explosion four years ago of haphazardly stored ammonium nitrates that tore through Beirut's port,

As Hezbollah leader Hassan Nasrallah speaks for the first time after the deadly blasts, Israeli fighter jets roared over Beirut, with sonic booms shaking buildings and sending residents scrambling for