I was therefore delighted recently to receive a letter from 80-year-old Mike Phair of Redmond, Wash. I opened the envelope and two tiny camouflage Band-Aids fell out. “Dearest Bill,” he wrote. “Your problem with camo is that you are incomplete. You need CAMO BANDAIDS.” I have long thought camo is, let me put this delicately, a sucker’s game. And, cloaking his agreement in a certain kind of irony, Mr. Phair concurred.