If you ever find yourself wondering what Karl Rove has been up to since resigning from the Bush administration in 2007, but don't feel like subscribing to Fox News or the Wall Street Journal, you can keep track of him on Twitter. This weekend, for example, he's been out hunting doves: you couldn't make it up. Lots of Rove's tweets end up on the #TCOT channel (that's 'Top Conservatives On Twitter'), which at the moment, unsurprisingly, is full of crowing over Van Jones's resignation and attacks on 'Obamacare'. It's mesmerising. auto insurance is mandatory for u to pay, so why not health insurance? think about that one all u "healthers". I half thought about pointing out the benefits of a subsidised public transport system,