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In 2018, Gary Johnson ran as a Libertarian candidate for the U.S. Senate in New Mexico. Johnson, a former two-term Republican governor of New Mexico, had previously run for president as the Libertarian nominee in 2012 and 2016. In the Senate race, Johnson faced incumbent Democrat Martin Heinrich and Republican Mick Rich. Johnson's campaign focused on issues such as reducing government spending, promoting free markets, and protecting individual liberty.