Many worry that another big electoral win may swell his head further.

Shuffling among his museum's keystones, Karp, a stooped, intense man whose weathered head is ornamented with a fringe of gray hair, seemed to swell with vigor and pride.

The swells tend to peak for a day or two at head-high or better, with chest- to shoulder-high waves during the days before and after the peak of the swell.