Clint Eastwood has defiantly defended his colourful speech at last months Republican National Convention - saying that he has got to the age where he can do what he wants. During interviews to promote his movie, Trouble with the Curve, the Oscar winning director and actor was totally un-repentent about the rambling speech during which he spoke to an imaginary version of President Obama sitting in a chair. 'One advantage of being my age is that you know, what can they do to ya?' said Eastwood. 'You just have fun and do what you think and then you can say...