Kolkata, Dec 3 (JEN) English playwright William Shakespeare once wrote, "All the world's a stage" and it certainly was on Wednesday at the GD Birla Sabhaghar in Kolkata, where almost 4 centuries later the Royal Shakespeare Company (RSC) staged a production of one of the playwright's most cherished comedies, 'Twelfth Night' and enthralled the audience with a power-packed performance. more