At a business roundtable in Fairfield, Iowa, he argued: =E2=80=9CA l= evel playing field is not just domestic tax policy, because manufacturers in Iowa, by and large, don=E2=80=99t compete against manufacturers in Wisconsi= n, they compete against manufacturers in Mexico and China.=E2=80=9D Instead, he expressed his support for =E2=80=9Ca level global playing field= =E2=80=9D.