UM System President Pacheco announces retirement -- Student enrollment sets record for UM -- Mathes reports on trustee forum, future of public higher education -- UM-St. Louis Chancellor Touhill announces retirement -- UM-St. Louis Performing Arts Center to be named for Touhill -- UM faculty and staff benefits announce plan changes for 2003 -- Board hears report on University's financial status -- UM faculty honored for outstanding work -- University of Missouri System briefs -- New deferred compensation plan available to UM employees.