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The U.S. Justice Dept. arrested five former senior executives of bankrupt cable giant Adelphia Communications Corp., including founder and former CEO John Rigas, Wednesday morning on charges they "looted" millions of dollars from the company.

In the continuing investigation of corporate America, questions are raised about whether the Halliburton Corporation's revenue figures were artificially inflated on Vice President Dick Cheney's watch.

Gwen Ifill discusses the volatile performance of the stock market with Terry Savage, a personal finance columnist for the Chicago Sun Times and author of The Savage Truth On Money; and David Kotok, president of Cumberland Advisors, a money management…