After the second televised debate on Thursday in Bristol between Labour/Brown, Conservatives/Cameron, and Liberals/Clegg - it had to happen, and it happened: Clegg lost momentum, as experienced Brown stepped it up on foreign policy and heavier issues, advocating for substance over style. Although Clegg still came out on top with a 33 percent support versus app. 29 percent to each of Brown and Cameron, according to an ICM poll.
The race between these three major British political parties hasn't been this close since 1985-86, with about 29-35 percent to each of the parties, only with mild fluctuations between them over the mid-80'ies. After which Labour took the lead in the 90'ies, with 40-50 percent support during the Tony Blair years. And later, after 2007, the Conservatives with an approximate 40-45 percent support.
If this narrow race continues, we could see a situation called a 'Hung Parliament' which means that neither party will win convincingly, and would have to rely on a coalition of parties to form government.
For further information, please see:
http://news.bbc.co.uk/2/hi/uk_news/politics/election_2010/8635098.stm
http://www.guardian.co.uk/politics/2010/apr/23/opinion-poll-nick-clegg-victory