By Rachel DeChiara ’13, Staff Writer Just imagine Seniors Jaxon Gruber, Bethany McHugh, and Nikhil Sawhney entwined in a love triangle, and this twisted situation is a mere glimpse of Newark Academy’s 2010 fall drama, “The Heidi Chronicles.”  A dramatic play written by Wendy Wasserstein, “The Heidi Chronicles” tells of a girl (Heidi, played by…