The controversial George W. Bush-sponsored poll in South Carolina mentioned John McCain's role in the so-called Keating Five scandal, and McCain says his involvement in the scandal "will probably be on my tombstone." What exactly did McCain do? In early 1987, at the beginning of his first Senate term, McCain attended two meetings with federal banking regulators to discuss an investigation into Lincoln Savings and Loan, an Irvine, Calif., thrift owned by Arizona developer Charles Keating. Federal auditors were investigating Keating's banking practices, and Keating, fearful that the government would seize his S&L, sought intervention from a number of U.S....