CHICAGO—The Chicago River was dyed a bright shade of green Saturday after Mayor Lori Lightfoot reversed an earlier decision not to tint the waterway for second year because of the coronavirus pandemic. Crews on boats began dumping green dye into the riverfront about 7 a.m. after Lightfoot authorized the dyeing ahead of St. Patrick’s Day, delighting pedestrians with the vivid scene. Chicago residents Lori Jones and Mike Smith surveyed the green waters, saying they were glad the tradition that dates to 1962 was resumed this year. “We’re happy that Mayor Lightfoot decided to continue with this tradition because we truly missed it last year, as a lot of other things in 2020,” Jones, 59, told the Chicago Tribune. Last year, Lightfoot abruptly canceled the city’s 2020 parades and the river dyeing just days before they were to take place in the early days of the pandemic. She called off the …