Congressman Justin Amash (R-MI) was endorsed by the conservative Club for Growth, which gives him a 100% lifetime voting scorecard rating, on October 8. However, seven Republican establishment donors who live in his western Michigan district recently endorsed his primary opponent, Brian Ellis, who claims Amash is not a "traditional conservative." First elected in 2010, Amash has ranked #1 on the fiscally conservative, pro-economic growth Club for Growth scorecards out of 435 members of the House of Representatives in both the 112th and current 113th Congress.The seven donors (J.C. Huizenga, Mark Bissel, Mike Jandernoa, Mark Murray, John Canepa, Marge Potter, and David...