The estate of pop music legend Michael Jackson owes $702 million in federal taxes and penalties, the Internal Revenue Service charged in U.S. Tax Court, accusing the estate of undervaluing some of the star's assets by hundreds of millions of dollars. At issue is the wide difference between what the estate said Jackson's legacy was worth versus what the IRS determined was its taxable value. An IRS spokesman and lawyers for the estate declined to comment. Jackson died on June 25, 2009, the date of the estate tax return. His estate's beneficiaries are Jackson's mother, Katherine, his three children and...