Both Plaid Cymru, the Welsh nationalist party, and the Liberal Democrats are positioning themselves to appeal to Labour dissidents.

ECONOMIST: Through the looking glass

The Welsh Liberal Democrat leader contrasted a Labour Welsh government "bankrupt of ideas" with what she called her party's "sensible and practical" policies.

BBC: Welsh Lib Dems: Party at 'turning point' says Williams

It's much tougher to base your offer to the people as "Fighting Wales' Corner" when it's against your own party - although to be fair the Welsh Liberal Democrats are giving it a pretty good go at the moment.

BBC: State of Play 4 - Labour