A cold conflict is escalating between France and Azerbaijan. And the latest twist in the tit-for-tat spat is heightening the prospect of renewed conflict in the Caucasus. On June 18, French Defense Minister Sebastien Lecornu announced the sale of 36 Caesar self-propelled howitzers to Armenia. The move immediately sparked vitriolic responses from Azerbaijan and Russia. The Azerbaijani Defense Ministry called the sale as a “provocative” step that could revive the region as a “hotbed of war.” Russian Foreign Ministry spokeswoman…