If all else fails and conversation grinds to a halt, ask about injuries. Snowboarding involves a lot of macho posturing, even from the women. Take 17-year-old Gemma Holmes. During dinner, she tells me she's from County Durham and started snowboarding at her local ski park when she was 10. "I used to be a skier," she says, looking in mock shame at the table. "Then, seven years ago, a guy called Ian Taylor brought snowboarding to the North-East and I got hooked." She can't remember all thats she's broken: "My feet, both my knees, my coccyx, both