West Virginia primary Tuesday proving to be a nail-biter

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The West Virginia GOP primary is Tuesday night and it’s proving to be a close race. Of course, the most talked about candidate is Don Blankenship, the former Massey Energy CEO. Blankenship was convicted in 2016 of conspiring to violate federal mine safety standards. National Republicans see West Virginia as the biggest electoral prize in this upcoming midterms due to vulnerable Democratic incumbent Joe Manchin. CBS News political correspondent Ed O’Keefe reports.