The Business: £6bn of penny pinching

As promised, the coalition government outlined more than £6bn of immediate spending cuts to reduce Britain's £156bn fiscal deficit. Justin Fox tells us how useful markets are for determining good policy. His new book The Myth of the Rational Market is out now. Following Derek Simpson's recent Twitter faux pas , we ask what you should and shouldn't tweet. Economics correspondent Phillip Inman and our industrial editor Tim Webb are also in the studio. WARNING: contains strong language.