Lev Leviev didn't miss a beat. It was evident that his answer, ostensibly off the top of his hat during the interview, had been prepared in advance: "Seven billion dollars by year-end," he said confidently, and smiled. The question we had asked him, at the Davos economic conference in late January 2007, had been what his goal for Africa Israel (TASE: AFIL) , his main business arm, is.