When Brian Doherty, senior editor of the Libertarian magazine Reason, wrote "Radicals for Capitalism: A History of the Modern American Libertarian Movement" in 2007, Texas Rep. Ron Paul's name appeared on only three pages. Concerning political movements, "politicians are lagging indicators, not leading indicators," Doherty said.
Even though his back-to-back presidential campaigns in 2008 and 2012 failed, Paul managed to win a victory of sorts: using some of the money he raised campaigning, he started a political advocacy organization, the Campaign for Liberty.
Source: PBS. Read full article. (link)