In Business This Week
-- General Motors made CEO John Smith chairman; John Smale will remain a director.
-- Delta Air Lines and its pilots agreed to jointly create a low-cost operation.
-- Mary Schapiro will be the first president of the NASD's regulation division.
-- The 30-year T-bill dipped below 6% for the first time since 1993. 5%, anyone?EDITED BY KEITH H. HAMMONDS