Should Cameron attack Brown or Clegg?

Obviously, yesterday’s disaster has written-off tonight’s debate for Brown. But ‘Bigot-gate’ is obscuring the European bailout crisis. Allister Heath and Iain Martin surmise that the euro crisis gives David Cameron a further advantage, if he can exploit it. Iain writes:

‘Mr. Cameron has just been dealt a potential ace by the markets. It will be interesting to see if he realizes this and works out a way of playing it in a manner that voters understand. The worsening crisis in the euro zone has attracted very little attention in the general election, thus far. After all, the U.K. isn’t a member. However, the growing crisis is at root about large debts and the markets demanding that states start taking serious action. When Mr. Brown says that there is no imperative to makes cuts, Mr. Cameron can point to what is going on in the euro zone and say with some force that here is a clear warning from next door.