david cameron is trying to be prime minister without taking the job interview , ed miliband claimed today ahead of tonight 's tv debates of ` ducking ' the chance to defend his record in government or explain how he would pay for a host of tax giveaways and spending pledges that mr miliband and four other party leaders take part in the televised showdown .
he has also promised to increase the nhs budget by £ 8billion a year .