Republican car dealer and blockchain entrepreneur Bernie Moreno defeated Senate Banking Chairman Sherrod Brown in Ohio, ousting the Democratic party’s most prominent populist and putting the GOP on course toward a Senate majority.

Sherrod Brown's 18-year Senate career ended Tuesday after the most expensive non-presidential race in history. Here are four takeaways.

COLUMBUS, Ohio (AP) — Three-term Democratic U.S. Sen. Sherrod Brown of Ohio faces perhaps the toughest reelection challenge of his career Tuesday in the most expensive Senate race of the year as control of the chamber hangs in the balance.