The guest on this week's nationally syndicated Motley Fool Money radio show is banking analyst Mike Mayo, author of Exile on Wall Street: One Analyst's Fight to Save the Big Banks From Themselves. While Berkshire Hathaway owns shares of American Express and US Bancorp, Warren Buffett said recently that Wells Fargo is the one he would hold if he could own only one. In this audio segment, Mayo analyzes whether Buffett's favorite financial stock makes sense for individual investors.

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