If I feel I'm not influencing games, not scoring goals or making goals, then that's the time I'd pack it in.
In 1998 Harry Reid and I had a very close race. It was less than a tenth of a percentage point. We had a reasonable recount. There were a lot of things that I could have pursued at the time, but I just felt that at the time that I should have, you know, conceded the race.
Address these environmental issues and you will address every issue known to man. And we keep dabbling in things that aren't really that important in the long term.