Home Opinions & Columns Set realistic timeframes for new trials Opinions & ColumnsPremium Content Set realistic timeframes for new trials By Andi Gray - July 11, 2011 SHARE Facebook Twitter Excellence evolves over time based on trial and error and learning from mistakes. Expecting that things will turn around quickly can be a big miscalculation. This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.