The Colorado River flows through Ruby and Horsethief canyons at the Colorado-Utah border near Mack, in 2023. (William Woody for Colorado Newsline)After years of failed negotiations between the states and decades of negligent water management, we now have just months for federal officials to decide how to divide up the ever-shrinking flow of the Colorado River between the seven river basin states that share it — and the 40 million people relying …