Rep. Justin Amash: Our politics is in a partisan death spiral. That’s why I’m leaving the GOP – Salt Lake Tribune

In this hyperpartisan environment, congressional leaders use every tool to compel party members to stick with the team, dangling chairmanships, committee assignments, bill sponsorships, endorsements and campaign resources. As donors recognize the growing power of party leaders, they supply these officials with ever-increasing funds, which, in turn, further tightens their grip on power.