The Evil Koch Brothers — you know, employers of 2,400 Wisconsinites — have a role within the Republican Party that you might not expect, according to, of all people, a Mother Jones magazine writer:

Recently, no less a Republican Party icon than Karl Rove canonized Charles and David Koch: “Bless them for all they do,” he wrote in Time magazine.

Rove’s blessing is the clearest sign yet that the brothers have been granted admission to the inner sanctum of Republican power. Yet for many years the Kochs were enemies of the GOP, whose political primacy they challenged through the libertarianmovement. Writing in 1978 in a magazine he owned called Libertarian Review, Charles Kochcalled the GOP “the party of ‘business’ in the wors[t] sense” and blasted Republicans for advancing a doomed strategy that “has failed so miserably.”

It seems hard to fathom now, but the Republican establishment once viewed the Kochs as a threat. In the late 1970s, National Review — now a reliable defender of the brothers — devoted a series of articles to eviscerating the libertarian movement and its angel investor, Charles Koch, whom the magazine described as “a man whose wealth and devotion to privacy are straight out of the Howard Hughes legend.”

Now the Koch brothers, thanks to their sprawling political and fundraising network, are the toast of the GOP, while Democrats have taken up the cause of demonizing them, even placing them at the center of their midterm election strategy. Senate Majority Leader Harry Reid (D-Nev.)recently suggested that Senate Republicans should “wear Koch insignias to denote their sponsorship.” The Democratic Senatorial Campaign Committee, meanwhile, has rolled out a Web siteproclaiming that the “GOP is addicted to Koch.”

But their fiercest critics on the left may be surprised to learn that the Kochs actually share a host of views with them, particularly on social issues (though emphatically not on economic ones). And now that the brothers wield significant influence within the Republican Party, they have an opportunity to push it closer to the center on issues that have caused members of many key voting blocs — women, Latinos, youth — to shun the GOP.

For a party undergoing an identity crisis, a Koch-style makeover may not be such a bad thing.

The brothers have achieved political notoriety for bankrolling the tea party movement, leading the charge against Obama­care, stoking skepticism about climate change and carpet-bombing the airwaves with ads targeting vulnerable Democratic lawmakers via their advocacy group Americans for Prosperity. But lesser known are the issues on which they are at odds with the conservative mainstream.

The Kochs generally disapprove of foreign military interventions and were no fans of the Iraq war.As a young man, Charles strongly opposed the Vietnam War, even though this position was highly unpopular in his home town of Wichita, headquarters of military contractors such as Beech and Cessna that supplied the war effort. His activism so angered the leadership of the conservative John Birch Society, which his father had played a role in founding and where Charles was a member, that he was forced to part ways with the group in the late 1960s after placing an antiwar ad in the local newspaper.

David has criticized U.S. drug policy and victimless-crime laws. “I have friends who smoke pot. I know many homosexuals. It’s ridiculous to treat them as criminals,” he said in 1980. He supports same-sex marriage and abortion rights — positions that risk his standing in the GOP. Charles seemingly shares these views. “What a spectacle it is for the same people who preach freedom in voluntary economic activities to call for the full force of the law against voluntary sexual or other personal activities!” he wrote in his 1978 jeremiad. “What else can the public conclude but that the free-market rhetoric is a sham — that business only cares about freedom for itself, and doesn’t give a damn about freedom for the individual?” …

The Kochs ultimately abandoned the Libertarian Party, though not its core beliefs, once the futility of challenging the two-party system became clear. Thus began their three-decade climb from libertarian gadflies to Republican power brokers. The question now is what they will do with their newly acquired clout within the GOP.

The brothers have focused their advocacy largely on economic issues, such as blocking passage of 2009’s climate bill and pushing for steep decreases in state and federal spending, but there have been subtle signs that they are trying to influence other political battles. Charles dipped a toe into last year’s immigration reform debate when his instituteco-sponsored a forum on the subject with BuzzFeed. His organization has lately waded into criminal justice reform, highlighting troubling racial disparities in the system andconvening an event that featured a chapter president of the NAACP — an organization that in the past has condemned the political activities of the Koch brothers.

That’s a start, but there are other ways the Kochs could nudge the Republican Party to a more moderate place. The brothers have traditionally avoided bankrolling advocacy on controversial social issues, but they would certainly throw a curveball to their opponents on the left (not to mention their supporters on the right) by actively backing the causes of marriage equality or reproductive rights. They could take a page from hedge-fund manager Paul Singer, a member of their donor network, who has emerged as a top backer of same-sex marriage.

As a conservatarian and not a Republican, I’m all for a more libertarian GOP. It is hypocritical to espouse economic liberty but not personal liberty, just as it is hypocritical for Democrats to espouse personal liberty (abortion rights, legalized marijuana, same-sex marriage) and not economic liberty (lower taxes and smaller government).

The Capital Times’ Jack Craver pauses from his usual demonization of conservatives to report that a number of Wisconsin conservatives are starting to figure out that opposition to same-sex marriage is a losing issue for them:

Aside from a vocal minority of religious hardliners, few are repeating the arguments that defined the push to ban same-sex nuptials eight years ago, when Republicans claimed that gay marriage would endanger the institution of traditional marriage and erode society’s moral fabric.

“Conservatives, it’s time to let gay marriage go,” declared an article promoted by RightWisconsin, a leading conservative website run by Milwaukee talk radio host Charlie Sykes. The author of the article, who writes under the pseudonym Conservative Consigliore, wrote that the fight against gay marriage was “a loser politically, an embarrassment socially, and a raving hypocrisy morally.”