After nine months of speeches and more than $30 million spent, 35 primaries and 21 caucuses, the Democratic presidential nomination could, in the end, turn on the telephone the long-distance leverage being exerted by Kennedy and Carter supporters on individual delegates. Take, for example, the experience of Kym Ammons, 18, a May graduate of East High School in industrial Waterloo, Iowa. She is a loyal Carter delegate, but is, nonetheless, leaning in favor of voting for an open convention. As a result, she now finds her self a part of the great electronic roundup.
Ammons was a school track star and...