EDIT: Alaska has published an FAQ about the devaluation. TL;DR version- the devaluation is because of evil travel hackers, they were unable to give prior notice for this devaluation "given the dynamics of this particular award" but the policy remains to give 30 days notice of significant program changes...
I've received several requests to write about Alaska Airline's MileagePlan in light of several great mile selling promos they've had. To be frank, I knew very little about MileagePlan despite having seen it frequently feature on Boardingarea and FT, assuming that it would have little relevance to someone based in...