For as long as hot air holds out, there will be trial balloons in U.S. politics. The device is especially useful in the vice-presidential area. In his 1960 pre-convention campaign, John Kennedy won support from at least half a dozen Democrats by convincing each that he was a likely choice as a running mate. Some, like ex-Governors George Docking of Kansas and Herschel Loveless of Iowa, have hardly been heard of since.
Last week President Johnson seemed to be sending up a trial balloon for Peace Corps Director Sargent Shriver. He had asked Shriver, off on a Peace Corps inspection trip, to...