 The question of representation and the extent to which primary voters reflect the demographic and attitudinal characteristics of nonvoters and rank-and-file partisans generally has been a long-standing concern to students of primary politics.Some scholars conclude that primary voters are demographically unrepresentative of the larger partisan electorate, while others find fewer differences.As McGovern later said, "I opened up the doors of the Democratic Party, and 20 million people walked out."