As the Golden Globes draw near, host Nikki Glaser is polishing her sharpest weapon—humour—while chasing one elusive target   With the ceremony just days away, Nikki Glaser admits there is one name still testing her comedic instincts: Julia Roberts. “She’s been the toughest nut to crack,” Glaser said Tuesday with a determined laugh. “But I’m going to crack it.” After earning widespread acclaim for her fearless yet measured monologue last year, Glaser was swiftly invited back t