However, he did note that the lagging U.S. economy may play a negative role in future sales.

FORBES: Strong Showing for U.S. E-Commerce Sales

You haven't said -- is the U.S. playing a positive role or a negative role at the top?

WHITEHOUSE: Press Briefing

In the not so distant future, we see natural gas playing a tiny role in Russia, and maybe even a negative one because of Europe.

FORBES: Is Russia Ready For Life After Oil?

Sentiment played a large role to the negative.

FORBES: Holiday 2012: Wednesday Morning Quarterbacking

Some panel members expressed concern about whether the dual role would have a negative impact on both services, but Mr Wilsher said he was already skilled at doing multiple roles in his current job.

BBC: Hertfordshire PCC recruits county's fire service head

Weather always plays a role in retail sales, positive or negative.

FORBES: Frankenstorm Puts Halloween Sales In Jeopardy

As a presentations coach, I show archival videos as positive and negative role models to demonstrate what participants should and should not do when they present.

FORBES: Obama and the Debt Crisis

Investor sentiment has been less enthusiastic, with net liquidation in ETF palladium holdings for the year to date, Johnson Matthey said, playing a big role in 2011 net investment demand forecast to be negative by 215, 000 ounces.

FORBES: Johnson Matthey: Palladium Market Swings To Surplus In 2011

Beyond the individual campaigns, independent groups have played a major role in the race, helping saturate television and radio airwaves with negative advertising.

CNN: Walker's fate in Wisconsin comes down to ground game

Muslim women from around the world are gathering in the Spanish city of Cordoba for a two-day conference on how to improve the negative image of Islam and the role of Islamic women in society.

BBC: Muslim women seek positive image