Lib Dem peer Lord Oakeshott resigned as his party's Treasury spokesman after issuing scathing remarks about the government's attempt to clamp down on bank bonuses.
It's a further headache for Nick Clegg, who has had to deal with a rebellion from Lib Dem councillors over budget cuts, and trouble in the Lords over his voting reform bill.
In the studio to discuss this we have: Olly Grender, a former director of communications for the Liberal Democrats, and Guardian columnists Jackie Ashley and Hugh Muir.
Also on the agenda this week: David Cameron used an appearance at a security conference in Munich to deliver a speech on the failings of multiculturalism. He said that western societies should employ a "muscular liberalism" to promote their values.
And the first picture emerged of Meryl Streep as Margaret Thatcher for a forthcoming film about the former British prime minister. Why does the "Iron Lady" still have such an emotional pull in Britain?
