After months of thinking it over, Sen. Paula Dockery is poised to kick-off her candidacy for governor, party insiders told the News Service of Florida on Friday. The Lakeland Republican is expected to open a campaign account early next week – as a prelude to a formal campaign announcement the following Tuesday in her hometown. It would set the stage for a potentially combative Republican primary contest with Attorney General Bill McCollum, who had seemed on an unimpeded path to the nomination. Democrat Alex Sink, the state’s chief financial officer, doesn’t appear likely to face a serious primary challenge. For...