BOSTON - A conservative anti-tax group unveiled a $1 million advertising campaign Monday that paints Democrat John Kerry (news - web sites) as a waffler, picking up where President Bush (news - web sites) left off last week when his campaign pulled down its ads. The Club for Growth's launch is much smaller than what Bush had been spending. However, the group's ads will give Republicans somewhat of a presence on the air in certain areas during a week in which Kerry news dominates the airwaves. Bush's campaign went dark this week, with the campaign opting to save money for...