PRIMARIES: Uncommitted

Whether genuinely baffled, simply supercautious or just plain ornery, U.S. primary voters continue to dangle the presidential nominations tantalizingly beyond the reach of all contenders. A victor's smile and glowing predictions seem only to ensure a comeuppance seven days later. As the primary trail nears an apparently inconclusive end, a clutch of uncommitted delegates to both Democratic and Republican Conventions has been dealt a hot—and potentially decisive—hand. They may well determine the 1976 nominees.

Although many of the powerful uncommitted are political bosses and officeholders, a substantial number are mainly middle-class Americans...