"The ructions may also strain relations between Dubai and Abu Dhabi, which still has the biggest money bags because it has most of the oil—and may no longer be willing to sit back and let Sheikh Muhammad and his men make all the running. Sheikh Muhammad seems to get on well with Sheikh Khalifa bin Zayed al-Nahyan, Abu Dhabi’s ruler. But financial arrangements between the two emirates are opaque. Sheikh Muhammad may need to be more deferential to his fellow ruler."