WorldCom files for bankruptcy It's largest declaration ever; corporate assets at $107 billion 07/21/2002 By VIKAS BAJAJ / The Dallas Morning News Hounded by a deepening accounting scandal and a dwindling pocketbook, WorldCom filed Sunday night for Chapter 11 bankruptcy protection, the largest such filing in history. Phone and Internet service to the company's more than 20 million customers is expected to continue with few hitches, regulators and executives said. "This step is the best thing for most people, in our opinion," company spokesman Brad Burns said. "It preserves jobs, it ensures service is not interrupted for our customers,...