Tara McKelvey
BBC News, Kansas

Debbie Almond, left, and McKenzie Orman, a merchandiser for a local denim company, stopped at the Roasterie in Leawood, Kansas, this morning. Ms Almond is the stepmother of Greg Orman, the independent candidate for the Senate. She says they're decorating a venue for his victory party tonight: "It's a Kansas theme - so it's going to be sunflowers and wheat and people."

The US economy is improving, so why isn't the Democratic Party getting more credit? The BBC's business reporter Kim Gittleson has been in Arkansas to talk to voters and find out why.

Thomas Sparrow
BBC Mundo, Washington

tweets, external: Multilingual voting in Washington #Midterms2014 #BBCMidterms @BBCNewsUS

Thomas Sparrow
BBC Mundo, Washington

Hispanics played a key role in President Obama's re-election in 2012, but it does not appear they will play such a significant part this time round. Although there is a record number of eligible Hispanic voters and their importance is increasing at the national level, in some of the key mid-term battlefields their presence is much more limited. For instance, the Pew Research Center, external calculates that in the eight states with close Senate races, only 4.7% of eligible voters are of Hispanic descent. In addition, Hispanics tend to vote less in mid-term elections than other ethnic groups.

tweets:, external "Bad politicians are sent to Washington by good people who don't vote" - William E Simon (63rd Secretary of Treasury)

Most people are focused on the Senate race - but don't forget about the governors' races either. One of the most intriguing is in Florida, where Charlie Crist is running for the job he did before - but this time for the opposite party.

Mr Crist, a former Florida Republican governor, is now a candidate for the Democrats.

Image source, AP

Last president to win two elections and lose two mid-terms? Ronald Reagan.

Brian Naylor, NPR News Correspondent

@brinaylor tweets:, external A pretty steady turnout this morning at St Johns Methodist Church in Greensboro NC.

Image source, Brian Naylor

Nick Bryant
BBC News, Kentucky

Mitch McConnell is hoping to ditch his present title of Senate minority leader to become Senate majority leader instead.

He ended his campaign by quoting Churchill's famous quote about Americans always doing the right thing, after trying everything else first. "That's what we had the last six years," he shouted at a rally in Louisville. "The spending, the borrowing, the taxing, the over-regulation, the slow growth and the threat to the next generation. These people need to be stopped."

Image source, AP

Vice-President Joe Biden appears to be looking ahead to the possibility of a bad result for Democrats on Tuesday.

Doing a tour of radio stations, he told one host that even if Republicans won control of the Senate, he and President Barack Obama would push for policies that addressed what he described as an "overwhelming dislocation of wealth".

According to the Associated Press news agency, the commander-in-chief's right-hand man set his cross hairs on financiers and energy corporations, saying they needed to pay more tax.

No election is free from controversy, and in the Iowa race, outgoing Democrat Senator Tom Harkin was forced to apologise after he compared Republican Joni Ernst to country singer Taylor Swift.

"I don't care if she's as good looking as Taylor Swift... but if she votes like Michele Bachmann, she's wrong for the state of Iowa," he said.

Speaking to Fox News, external, Ms Ernst hit back, saying: "If my name had been John Ernst attached to my resume, Senator Harkin would not have said those things."

Mr Harkin later issued a statement apologising for his remarks.

Image source, AP

Another closely-watched Senate race is in Iowa, where Democrat Bruce Braley (pictured), who previously represented Iowa in the House of Representatives, is up against Republican Joni Ernst, a former soldier who has boasted, external about how she castrated hogs on the Iowa pig farm where she grew up.

If elected, Ms Ernst would be Iowa's first female senator.

Image source, AP

Georgia US Senate candidate Amanda Swafford, a Republican, wearing her "Anything Can Happen" T-shirt as she has breakfast with her campaign manager on Tuesday. While true, some pundits are predicting that the Democrats will be punished by voters, given Barack Obama's low personal poll ratings.

Image source, EPA

Job approval for Congress is at an all-time low, just 14%, and many voters have expressed deep dissatisfaction with what they see as partisan bickering. Before Congress adjourned for summer recess, it was described as the least productive on record, in terms of bills passed. This Washington Post analysis, external from July shows why.

You can read more on the New Hampshire Senate race, including the role of national security and foreign policy, in our correspondent Nick Bryant's blog.

Image source, AP

The American economy is growing - so why is Barack Obama's personal poll rating so low? That is the question being asked by the Huffington Post in this article, external, which argues that the benefits of recent growth are being unevenly shared.

Nick Bryant
BBC News, Kentucky

The Senate race in New Hampshire tests that famed old adage "all politics is local". The first-term Democratic incumbent, Jeanne Shaheen, is popular in the Granite State. She won a hat-trick of elections to be the governor. But Republican Scott Brown, who used to represent neighbouring Massachusetts, could produce an upset, despite being cast as a carpetbagger.

Image source, Reuters

As voters go to the polls across America on Tuesday, workers have gone back to Capitol Hill. As this striking image shows, the famous dome atop the United States Capitol building is undergoing repairs.

Image source, Getty Images

blogs:, external Jimmy Kimmel makes fun of the ads that campaigns have spent hundreds of millions of dollars running this year

A voter wears a sticker after casting her ballot in St Petersburg, Florida.

Image source, Getty Images