I've tried to exploit coalition tensions by making overtures to Vince Cable.
By declaring I am "open for business" with Vince Cable, who describes himself as the cabinet's only social democrat.
And, Ed Balls said he would be happy to talk to Cable about his proposal, drawn up by the Lib Dems' former Treasury spokesman Lord Oakeshott, for a mansion tax on properties worth more than £2m.
Assuming that is, there are any Lib Dem MP's left at the next election...
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