Lately it feels like politicians are favoring smaller groups of their constituents over the majority of them. If you've been skeptical about whether this favoritism exists, there's a new theory that supports it. Some voters who are more vocal or intense about political issues are more likely to get their local politician's attention, and these smaller groups of constituents are more likely to get what they want.In his new book, Frustrated Majorities: How Issue Intensity Enables Smaller Groups of Voters to Get What They Want, University of San Diego political scientist Seth J. Hill uses new empirical evidence to tackle a question that has been floating on the radar: Is democracy broken or are politicians becoming more undemocratic with their approach to win votes?