Royal Opera House, LondonThere are superlative performances " and the world's most glamorous black tutu " in Liam Scarlett's new take on the classicFundamentally, what I want from a production of Swan Lake is that it makes me weep for Siegfried and Odette " those two lost souls who perilously trust love to unlock them from isolation and despair. But I also need a production to convince me it has a reason for being on…
