3.5/5 stars At a time when young people are being triggered by the faintest of slights and oh-so-eager to cancel and condemn anyone for the vaguest of social indiscretions, The Sky Is Everywhere boldly presents a flawed young heroine without judgment. Lennie (Grace Kaufman) stumbles through a series of terrible decisions, propelled by a selfish, desperate desire to feel anything positive that might momentarily silence the crippling loss that has consumed her world. Kaufman gives an entrancing performance as the intelligent, introverted teen, who has grown up in an unconventional home in the shadow of her older, prettier, more outgoing…