About a week ago, the only thing I knew about rugby was it is played without helmets and padding. It has a scrum (i.e. players from each team lock arms, heads down and push against each other. Ball is thrown into scrum and the players try to kick it to a teammate on the side.) and players can be lifted into the air. (Photo: Championship game: New Zealand in black vs England in white. AP Photo: Jeff Chiu) Now after working for three days at the Rugby World Cup 7’s at AT&T Par