AMES — Iowa State defensive coordinator Wally Burnham says he saw good and bad things from his defense on the field Saturday evening against Oklahoma in Norman. The Cyclones are working this week to fix the bad things before the No. 5 Oklahoma State Cowboys roll into town for a 2:30 p.m. kick at Jack Trice Stadium. See Burnham look back at OU and look ahead to OSU in this CFTV production.