Stereotyped for decades as pro-pot, pro-porn and pro-pacifism, libertarians are becoming mainstream.

Fair or not, Ron Paul epitomized to a swath of voters the caricature of a goofy grandpa who invests in gold, stockpiles guns, sees black helicopters whirling overhead and quotes Friedrich Hayek.

His ride into the sunset combined with an evolving electoratess move away from hot-button social issues gives a new libertarian guard the opportunity to rebrand their governing philosophy as more reasonable, serious and compatible with the Republican Party.

Led by Sen. Rand Paul (R-Ky.), libertarians hope to become a dominant wing of the GOP by tapping into a potent mix of war weariness, economic anxiety and frustration with federal overreach in the fifth year of Barack Obamas presidency.

(Also on POLITICO: 12 GOP senators back Paul on gun filibuster)

The countrys continuing fixation on fiscal issues, especially spending and debt, allows them to emphasize areas of agreement with conservative allies who are looking for ways to connect with Republicans who arent passionate about abortion or same-sex marriage. A Democratic administration ensures consensus on the right that states should get as much power as possible.

Ron Paul, who has been speaking at college campuses since retiring from the House to Texas at the end of the year, feels that more Republicans are either engaging or co-opting the ideas he spent a career espousing on monetary policy, foreign policy and civil liberties.

(PHOTOS: Libertarianism goes mainstream)

The viewpoint of the libertarian is weve been doing the wrong thing for a long time, he said in an interview. The group thats in Washington now is going to have tremendous opportunity because theres a lot more disenchantment.

Its better late than never, he added.

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Libertarianism goes mainstream