LOS ANGELES — A judge on Monday sentenced Rebecca Grossman to 15 years to life in prison for the murders of two brothers she struck while speeding through a Westlake Village crosswalk four years ago, saying her actions were “reckless and unquestionably negligent.” After hearing Nancy Iskander, the mother of 11-year-old Mark Iskander and 8-year-old Jacob Iskander, angrily ask for the sentence ...