In Business This Week
-- The SEC is investigating claims of insider trading and other abuses at Greyhound.
-- Irwin Jacobs charged KnowledgeWare Chairman Fran Tarkenton with fraud.
-- Lotus cut prices on Notes, its hottest software item, then revealed poor earnings.
-- Coffee break: A customer sued Starbucks after spilling java from an "unsafe" cup.EDITED BY KEITH H. HAMMONDS