Among the last set of polls, three showed the main parties level-pegging, three had the Conservatives in front by a single point and one gave Labour a two-point advantage.
In reality, the effect on MPs' seats is more complex to measure as voters are not spread evenly across constituencies: some areas within may heavily favour one party, others its main rival.
This month, the Portuguese government agreed with the main opposition party on more austerity measures to cut its deficit faster than planned, to 4.6 percent of Portugal's gross domestic product next year from 9.4 percent last year.
"That's our main concern".
There are three main reasons for that.
The main opposition party could hardly refuse to support it, or it would be displaying lack of confidence in its ability to win the ensuing general election.
Inside the cocoon of an event where the main sponsors don't accept that human caused climate change is even real, the news from Beijing seemed to further outline how rapidly the world could change – whether the coal industry likes it or not.
Take two relatively recent scandals of agents the forces of law and order were running within two main paramilitary force as evidence of this.
He was the main presenter of BBC Breakfast for a number of years.
Yet while Santiago offers an intriguing and easy introduction to the country, it is nothing more than an appetizer for the main courses to be found elsewhere.
