COLUMBUS, Ohio (AP) — Ohio's moderate Republican senator, Rob Portman, has thrown his support behind Ohio Treasurer Josh Mandel for U.S. Senate. In a video posted early Wednesday, Portman urged Republicans in the battleground state to unify behind Mandel as he makes a second consecutive run to unseat Democratic incumbent Sherrod Brown. Portman said Mandel, 39, is a Marine veteran and a fiscal conservative who he could work with "to get this economy moving again, to fight for more jobs and higher wages, and to restore America's leadership role in the world.Read more on NewsOK.com