‘Kingsman’ sequel lacks the sharp edge of the first movie

When “Kingsman: The Secret Service” exploded in theaters in 2014, it was a welcome surprise: a smart and scathingly funny spy comedy, with one outlandishly jaw-dropping set piece after another.Now comes the sequel, “Kingsman: The Golden Circle,” and another surprise: that a premise so ripe with possibilities has devolved so quickly into a mess like this.Director Matthew Vaughn and writing partner Jane Goldman return with a sequel that tries desperately to rebottle the wow