The last substantive business for a national convention is the choice of the party's nominee for Vice-president. His selection contrasts sharply with that of a Presidential candidate. For the latter nomination, aspirants have engaged in lengthy campaigns, the electorate has had some opportunity to consider different possibilities, party organizations have become committed to particular choices, and convention strategies have been developed. For the Vice- Presidency, however, little campaigning is done, public preferences are either unavailable or unsolicited, party leaders have few commitments other than a tepid enthusiasm for a favorite son, and strategy to gain the second position is undeveloped.
The basic cause of this lack of interest has been the nature of the Vice-President's office. In the Constitution, he is given no power other than that of presiding over the Senate. Few legislators have been willing "to trade a vote