Sir Menzies Campbell has attacked Vince Cable over his flirtation with Labour

"Labour leader Ed Miliband last week revealed that he and Mr Cable were in regular text contact and that he was ‘open for business’ if the Business Secretary wanted to talk about the future. But yesterday Sir Menzies criticised Mr Cable for undermining the Coalition and warned that it threatened to anger already disgruntled Tory MPs." - Daily Mail

The former Lib Dem leader has also questioned Lord Oakeshott's undermining of Nick Clegg but also the Deputy PM's decision not to have Lib Dem ministers at the Foreign Office or MoD - Scotsman