Mini John Cooper Works Convertible Wears a Helmet in Its Hair, Starts at $36,450

While the star of the Mini booth at the 2015 Detroit Auto Show was the Mini John Cooper Works Hardtop, the not-diminutive-anymore brand has skipped NAIAS this year, unveiling the JCW Convertible online now that the press days are over (Mini is skipping both Detroit and Geneva altogether this year). In theory The JCW Hardtop’s tech formula is still here, which means we get a 2.0-…