A LIBERAL backbencher has called Kim Beazley a "fat so and so" after the Labor leader labelled him "weak" for supporting the Government's immigration laws. Mr Beazley and West Australian Liberal Wilson Tuckey traded verbal insults, their faces within centimetres of each other, as they arrived at Parliament House in Canberra this morning. The angry exchange came ahead of today's vote on the Government's controversial migration Bill. Some rebel Liberal backbenchers are threatening to cross the floor and vote with Labor against the changes. Mr Tuckey was speaking to reporters as Mr Beazley stood by, waiting for his turn to...