A prosecutor described how the attack occurred when 26 little girls were “gathered around the tables making bracelets and singing along to Taylor Swift songs.” LONDON, UK — A teenager who stabbed three young girls to death at a Taylor Swift-themed dance class in England was sentenced Thursday to more than 50 years in prison for what a judge called “the most extreme, shocking and exceptionally serious crime.” Judge Julian Goose said 18-year-old Axel Rudakubana “wanted to try and carry out mass murder of innocent, happy young girls.” Goose said that he couldn't impose a sentence of life without parole,...