SumTotal(TM) Systems (Nasdaq:SUMT), the largest provider of learning and business performance technologies, services and processes, today announced that instructional design and development expert Lee Karns will highlight SumTotal’s ToolBook 2004 content and simulation authoring solution in an online session entitled, “Designing Performance-Based Software Simulations for Maximum Impact” held today, February 24 at 12. p.m. PST. The session is part of the eLearning Guild’s Online Forum on Effective Use of Simulations to Enhance e-Learning, which runs from 8:30 a.m. PST to 2:15 p.m. today