The group of white-haired folks—some pushing walkers, others using canes—arrive right on time at the gates of Laguna Woods Village, an upscale retirement community in the picturesque hills that frame this Southern California suburb a few miles from Disneyland.
There they board a bus for a quick trip to a building that, save for the green Red Cross-style sign in the window, resembles a trendy coffee bar. The people, mostly in their 70s and 80s, pass the next several hours enjoying a light lunch, playing a few games of bingo…