1: Britain 's broadcasters , keen to channel lively politics onto prime time TV and boost ratings , have been working the corridors of power themselves over the past year to try to nail down a repeat -- or two -- of the 2010 knockabout . 2: No one seems to be budging but both of the UK 's largest parties could use the bump in the polls such a debate might bring . 3: Election TV debates only arrived in the UK in 2010 .
1: 2010 knockabout 2: a debate 3: Election TV debates