18, a symbolic number in Judaism, represents Chai or Life.  It’s hard to believe that 18 years ago, along with my husband, Reuven, and our 6 children, ages 2 through 11, we made aliyah.    Israel is a wonderful place to vacation,  visit family and friends, explore from the Negev to the Galilee, and pray at the Kotel. But making aliyah is definitely different. We...