Saudi Arabia and the UAE, once close allies, are now locked in open rivalry, impacting the Yemen war, cross-border trade, and regional flashpoints. This strategic split challenges core assumptions about Gulf stability and investor confidence. The dispute, fueled by economic competition and differing regional visions, is escalating with potential for proxy conflicts and business friction. Tl;DR: Driving the news Saudi Arabia and the United Arab Emirates, the Gulf’s two most influential petro-powers, are sliding from strategic partnership into open rivalry - a shift that’s already reshaping the Yemen war, injecting new risk into cross-border commerce, and rippling across flashpoints from...