By Anna Ringstrom, Tassilo Hummel and Gwladys Fouche (Reuters) – French bank Societe Generale said it was working to cut its risks in Russia, fearing a tit-for-tat response by Moscow to Western sanctions, as more companies from vodka maker Diageo to IKEA suspended business in the country. Brazilian plane-maker Embraer joined Airbus and Boeing in halting parts supplies to Russian airlines, while Lufthansa said it was considering rerouting cargo flights to Asia via Alaska to avoid Russian airspace. “The war has both a huge human impact and is resulting in serious disruptions to supply chain and …