Iowa and New Hampshire have long been the first states to hold presidential contests in election years. But should they go first? As a political scientist who studies Congress and elections, I know that this largely unquestioned influence of the two states raises serious concerns around fairness, diversity and political representation. Here they are: They don’t represent the countryWhite, non-Hispanic residents make up 84% and 89% of Iowa and New Hampshire respectively, compared with just 58% of the nation as a whole. Iowa and New Hampshire are not representative of the U.S., particularly on t…