The Colorado River Compact turns 100 this year, but any celebration is damped down by the drying-up of the big reservoirs it enabled.

Kyle Roerink’s recent “Writers on the Range” opinion (“A dangerous game of chicken on the Colorado River”) reminds one of Sen. Daniel Patrick Moynihan’s 1983 caution in a Washington Post op-ed: “Everyone is entitled to his own opinion, but not his own facts.”