There are plenty of ways to blunt pre-election anxiety, but one exercise favored by Beltway insiders is batting around post-election scenarios. When optimistic enviros envision regime change, the big questions are: Who will be on Kerry’s environmental A-Team? And what will be the top priorities on Kerry’s energy and environment agenda? Of course, people close to the campaign are extremely wary of conjecture, particularly in a white-knuckle race like this one. “What-if scenarios are not a topic of discussion in the halls of the Kerry campaign,” said Beth Viola, a senior environmental adviser to the Democratic candidate. “We’re living and …