Ohio's race for U.S. Senate is one of the most expensive races in the country. Hundreds of millions of dollars are pouring into the state as outside groups try to sway your vote. Via ABC9: Political advertisements are running from Democratic incumbent Sherrod Brown and Republican challenger Bernie Moreno. At the end of one of their ads, you will hear the candidate say their name, followed by "and I approve this message." Other political ads run by nonprofits and political action committees (PACs) will attack the opposing candidate. Some of the political ads attacking Brown include ones from Senate Leadership Fund, a conservative PAC looking to build a Republican majority in the Senate.