Which U.S. Senate races have the biggest national appeal?

The Hill article The top six Senate races in the country, with their biggest national TV advertising potential, are in states that are increasingly competitive and that could be competitive for a presidential election, according to the National Association of Realtors.

In the coming months, the group is predicting that the top races in states like Colorado, Georgia, Iowa and North Carolina, where incumbent Republicans hold the seats, will have their TV ads targeted.

Some of those states are in competitive races where a Democratic candidate is expected to win.

The races are also attracting an influx of national attention from outside groups. 

The top six races in America: 1.

North Carolina (Kellyanne Conway): Conway, a conservative who served as a top adviser to President Donald Trump, has been touted as a potential 2020 candidate.

But the NRSC, which is the super PAC backing Conway, has not endorsed a candidate.

The NRSC has spent $1.5 million on TV ads in the three weeks leading up to Election Day, according a report last week by the New York Times. 

2.

Montana: Democratic candidate David Froese is the state’s lieutenant governor.

Froese has struggled to win over Republican voters, even in a state where Democrats have a majority in the House.

A poll in February by the Pew Research Center found Froese had a net negative favorability rating of +5.6 percent in the state, down from +12.4 percent a month earlier.

3.

Montana is a swing state where Donald Trump won by more than 20 points in 2016. 

4.

New Mexico: Democratic Gov.

Susana Martinez is in a tight race against Republican Gov.

Bill Richardson.

In early March, Martinez announced that she would not seek reelection.

Richardson has a history of controversial statements about undocumented immigrants, including suggesting that Mexico will pay for the wall on the U.N. border with the U-20s.

He has also said that Mexico does not deserve the U’s help in solving the nation’s opioid crisis.

The two candidates are locked in a three-way race. 

5.

Pennsylvania: Republican Pat Toomey, the son of former President Bill Clinton, is running against Democrat Katie McGinty, who is seeking a third term. 

6.

Nevada: Democrat Catherine Cortez Masto has a tough race against incumbent Republican Joe Heck.

Cortez-Masto is viewed as a moderate and the only Democrat running in the Democratic-held Senate. 

The NRSC’s super PAC, Correct the Record, has spent about $1 million on ads in Nevada this year, with a focus on Cortez. 

Read more about the races here. 

Democrats are hoping to gain control of the Senate in the 2018 midterms.

The Senate is currently split 50-50 between Republicans and Democrats, with the Republicans holding a slim advantage in the chamber.

If Democrats can take control of both chambers in 2020, they could end the Republican majority in both chambers for the first time in 70 years.

Correction: An earlier version of this article incorrectly stated that the NR, which funds campaigns and other political action committees, is a super PAC.

It is a nonpartisan non-profit organization.