NEW YORK (Reuters) - Savvis Communications said on Monday it had placed its chief executive on unpaid leave and will launch an internal probe related to a credit card company lawsuit alleging he was two years late in paying $241,000 in charges at a Manhattan strip club. The telecommunications carrier said Robert McCormick was placed on unpaid leave effective Monday, pending the outcome of the investigation. Jack Finlayson, president and chief operating officer, has been appointed acting CEO. The lawsuit, brought by American Express against McCormick and Savvis last week, charges that the two were late in paying charges rung...