The operation was in the works for more than a decade, two former Israeli intelligence officials told CBS The Israeli intelligence agency Mossad has spent more than a decade preparing to carry out an operation that resulted in pager and walkie-talkie explosions across Lebanon in September, CBS reported over the weekend, after interviewing two recently retired senior agents who allegedly spearheaded the effort. Mossad first started to work with walkie-talkies, according to CBS sources. The