US telecommunications entrepreneur, Walter Anderson, pleaded guilty to tax evasion and fraud Friday in relation to what authorities said was the nation’s largest-ever criminal tax case. Anderson was indicted in 2005 on charges he evaded $210 million in federal and local taxes. Prosecutors said Anderson used offshore corporations and bank accounts to hide income from tax collectors. He pleaded guilty to two counts of tax evasion and one count of fraud Friday. He admitted hiding hundreds of millions of dollars in income from the Internal Revenue Service and from Washington, D.C., tax collectors during 1998 and 1999. Under a plea...