When Mitt Romney and Paul Ryan address the AARP on Friday, good manners will no doubt keep them from asking this question: How can that lobby claim to speak for American seniors given its partisan role in passing ObamaCare?

The 71 pages of emails show an AARP management taking orders from the White House, scripting the president’s talking points, working to keep its board “in line,” and pledging fealty to “the cause.” Seniors deserve to know all this, as AARP seeks to present itself as neutral in this presidential election. …

AARP had long lambasted cuts in fees to Medicare doctors because reduced payments would mean fewer doctors who accept patients with the insurance. Yet in its campaign for ObamaCare, it argued the money the health law strips from Medicare—by imposing price controls on hospitals—would improve “care.” When the organization tried to sell the line to its own people, it didn’t go well. Ms. Super told Obama officials in June 2009: “It was actually a heavy lift for us to convince many at AARP that Medicare ‘savings’ (which they read as cuts) is not bad for beneficiaries.” Note the “savings” quote marks. …