MILAN, Feb 17 : Russian teenager Adeliia Petrosian moonwalked her way into the global spotlight on Tuesday, gliding out for her Olympic debut in a red‑and‑black Thriller-inspired costume and delivering a short programme that could potentially put her in medal contention. The 18-year-old arrived in Milan shrouded in secrecy and untested on the global stage due to Russian athletes being banned from competing in international events by the sport's governing body following Moscow's invasion of