There's something of a Valentine's theme to the Arts of choice taking place in the capital this week. But Londonist knows for every young Juliet embracing the idea of timeless romantic love, there's a Bridget hugging her near-empty vodka bottle, crooning to Chaka Khan. So, in the name of balance, here's a varied, half 'rom', half 'com' round-up for you all. Shows for Swingin' Lovers: Photographer Gregg Stone, has been taking snaps of kissing......