Does Scotland need nuclear power? A row's building up between the Westminster and Holyrood governments over nuclear energy. The UK Energy Minister, Mike O'Brien, is in Edinburgh today to address a conference on the future of Scotland's energy. He says the First Minister's anti-nuclear stance will cost thousands of jobs. Is he right? Or is the Scottish Government wise to rely on a mix of renewables and 'clean' fossil fuel power stations? Plus: should gas-guzzling people carriers and four-by-fours be charged more for parking? Graham Stewart takes your calls, texts and emails.