NEW YORK — An accused drug trafficker was nabbed rolling a suitcase through the Bronx packed with enough fentanyl to kill about three quarters of New York City’s population, authorities said Thursday. Juan Gabriel Herrara Vargas, 42, was busted Tuesday just blocks away from the Bronx daycare where a 1-year-old boy recently died from exposure to the lethal substance. As fentanyl overdose deaths ...