Three Americans break top 16 in International Youth Chidon HaTanach Jacob Colchamiro of Short Hills, N.J., placed second in the world, while Nathanael Vinar of Teaneck, N.J., placed sixth. Even middle-school national winner Yechiel Shulman from St. Louis broke the top 16 and participated in the televised Yom Ha’atzmaut competition. Jill Kirsch May 17, 2019