Las Vegas in 2007 bet on declining reservoir levels in the Colorado River. The bet is now paying off. Municipal water providers in Colorado have started tightening the spigot for landscaping. That move is also wise — but overdue?

Las Vegas in 2007 bet on declining reservoir levels in the Colorado River. The bet is now paying off. Municipal water providers in Colorado have started tightening the spigot for landscaping. That move is also wise — but overdue?
Relics of construction of Glen Canyon Dam have been exposed by receding waters of Lake Powell. Also exposed have been weaknesses of the 1922 compact governing allocations. Can this document be modified to recognize 21st century realities?