Although he retired from full-time commentating a while ago, Murray Walker is still an keen observer of Formula One. Last week, Adam Cooper got Walker's thoughts on the top three teams, and this week we conclude our special two-part interview with his views on the rest of the field.
Q: Renault went into this year as double champions, but hasn't come close to repeating that form. What do you think has gone wrong?
Pat Symonds and Heikki Kovalainen © LAT
Walker: "Renault, like all the F1 teams, is one that I respect enormously. Flavio Briatore, who is a man who came into F1 knowing nothing about it, has done a sensational job - absolutely sensational.
"In Pat Symonds, they've got one of the most knowledgeable and authoritative people in F1 running the technical side of the team brilliantly.