It was no surprise that Russia's decision to temporarily ban wheat exports grabbed your attention this week. Wheat prices have soared in recent days and food makers will be facing rising commodity costs at the same time as facing still-weak consumer confidence. Two other stories out of Russia, Mars Inc's latest chocolate investment and a shareholder spat at food retailer Lenta, were highlights - as was our August just-food interview with the boss of Kellogg UK, Greg Peterson.