WASHINGTON (Reuters) – More children and teenagers in the United States were killed by guns than any other cause in 2020 year, according to a mortality analysis by researchers from the University of Michigan, Ann Arbor. Guns surpassed car crashes as the top cause of death in America for those aged 19 and under in 2020, the analysis, based on recent mortality data by the Centers for Disease Control and Prevention data, shows. That is the first time guns have been the leading cause of death for this age group, according to the study, which was published in the New England Journal of Medicine as …