Two of Sen. John McCain's top advisers and fundraisers are among several Republican and Democratic presidential campaign officials whose lobbying firms have been paid more than $15 million by foreign governments since 2005. The firms of McCain senior adviser Charlie Black, who until recently was the chairman of Washington-based BKSH & Associates, and campaign co-chairman Thomas G. Loeffler, who heads the Loeffler Group in San Antonio, received millions of dollars lobbying the White House, Congress and others as agents of nearly a dozen foreign clients in recent years. [snip] c Rob Allyn, head of the Dallas-based Allyn & Co., a...