From NYT Business Section: The Financial Times, preparing for a fierce battle with The Wall Street Journal over business readers and online advertising revenue, will give casual readers free access to its Web site this month, according to executives at The Financial Times. The Web site of the London-based business newspaper, which currently charges for much of its content online, as of mid-October will allow users to get up to 30 articles a month for free, said John Ridding, chief executive of the newspaper. Anyone who wants to view more online material will have to subscribe to the site.