On Sunday, Rep. Alexandria Ocasio-Cortez of New York took the extraordinary step of endorsing my opponent for U.S. Senate in Iowa, liberal Democrat Theresa Greenfield. She did it because their radical positions are remarkably similar.

“If we work hard enough … to make sure that we unseat Republicans like Joni Ernst and we have the unique, frankly once in a generation opportunity to have the White House, the Senate and the House majorities Democratically controlled, then I believe we have an obligation to the American people to show what a Democratic administration can actually accomplish,” Alexandria Ocasio-Cortez said. She added that liberal control would be “… a memorable shift from just a flatline of this idea of bipartisanship …”