Editorial: Primary colors: What a new study tells us about the Democratic and Republican parties

One stubborn analysis of partisanship in America that goes like this: Republicans have their share of candidates on the far right and Democrats have theirs on the far left, and in primary elections, each divisively drags their respective party’s center of gravity away from where most general election voters stand. A new report shows the truth about America’s two dominant political parties is far different from what this lazy shorthand suggests. Namely, GOP primary voters are quite accepting of those who want to radically recast the Party of Lincoln and Reagan, while Democratic voters more cons...