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

Republicans ousted three-term Sen. Sherrod Brown (D-OH) in Ohio on Tuesday night, likely cementing their control of the Senate for the first time in almost four years. Well over $400 million were dedicated to the Ohio race,

Ohio Democrat Sherrod Brown is projected to lose to Republican entrepreneur Bernie Moreno in Ohio, a huge blow to Senate Democrats hoping to keep control of the upper chamber.