Former Vice President Al Gore, as he nears a decision on whether to seek the presidency again, has begun formulating plans for a possible campaign that would be much more informal in style and more ambitious in its ideas than his unsuccessful race in 2000. he would "do it in a very different way" by devoting most of his time to small meetings and "relaxed conversations" with individuals and families. And he said he would offer bolder ideas, like his recent endorsement of a single-payer system that would fundamentally restructure health care in America.Indeed, it appears that if Gore runs,...