In the summer of 2008, two months before Lehman Brothers filed for bankruptcy, Richard S. Fuld Jr., the firm's chairman, was continuing his desperate efforts to find a lifeline. They had begun in March, shortly after the demise of Bear Stearns, when Mr. Fuld called the legendary investor Warren E. Buffett seeking a capital infusion, to no avail. Lehman had raised money elsewhere, but that didn't help for long, and its condition again was worsening.Adapted from "Too Big to Fail: How Wall Street and Washington Fought to Save the Financial System — And Themselves." The book, being published Tuesday by...