Leaders Debate: High-Stakes Showdown Kicks Off

The seven party leaders are going up against each other for the first and only time in the General Election campaign. It is also the only time David Cameron and Ed Miliband - the two men who could be Prime Minister in May - will debate each other. Three women - Natalie Bennett for the Greens, Nicola Sturgeon for SNP and Leanne Wood for Plaid Cymru - have taken to the stage for the first time in a televised leaders debates. They are joined by the Lib Dem leader Nick Clegg and UKIP's Nigel F