Republican Greg Gianforte claimed a narrow victory in Montana’s closely watched special election for the state’s at-large congressional seat, defeating Democrat Rob Quist in a race that is likely to be mined for clues about how the voting electorate feels about the political turbulence of Donald Trump’s young presidency heading into next year’s midterm elections. With 83 percent of precincts reporting, Gianforte led Quist by roughly 7 points in the race. The results came after a wild 24 hours in the race, in which Gianforte, a billionaire technology entrepreneur from Bozeman, was charged with misdemeanor assault after he allegedly “body slammed” Ben Jacobs, a reporter for the Guardian newspaper, at a campaign event on Wednesday just hours before voters headed to the polls. Speaking to supporters at his victory party, Gianforte publicly apologized for the altercation. “Last night, I made a mistake, and I took an action that I can’t take back,” Gianforte said in his first public s