By Solomon Fox On Sunday, November 24, 2019, the Center for Initiatives in Jewish Education (CIJE) held its second-annual CIJE Tank competition. There were seven semi-finalist teams, including two from The Leffell School — E-Band and Concaution.  Seniors Jaqueline Levy, Olivier Mastey, and Adam Shinder won first prize with their company E-Band. The event this