Question: What Presidential election did one of the candidates promote a tax policy that advocated for the gold standard?
Sentence (from "9–9–9: An Army of Davids"): 9–9–9: An Army of Davids, written by Herman Cain and Rich Lowrie and released on May 1, 2012, details the 9-9-9 Plan and traces its history along with Cain and other politicians' promotion of the tax policy during the United States presidential election, 2012.
Relevant evidence: No