Presidential debate trash-talk kicks off on Twitter with #CantAfford4More, #AdmitItMitt


US President Barack Obama and Republican presidential candidate Mitt Romney arrive on stage for the second presidential debate, the only held in a town hall format, at the David Mack Center at Hofstra University in Hempstead, New York, October 16, 2012, moderated by CNN's Candy Crowley.



The online chatter about tonight's final presidential debate on foreign policy is already in full swing, with hash tags #CantAfford4More and #AdmitItMitt spurring feisty comments from either side. 

Both hashtags are inspiring their fair share of jabs both for and against each candidate. 

"Foreign policy is a little bit different from domestic policy. In domestic policy you’re trying to see whether the candidate agrees with you or whether you agree with him. It’s often a checklist of things: abortion, the economy, taxes," CNN's Fareed Zakaria said Monday.

"Foreign policy is really a prism through which people look at the character of the person, the values, the strength, the consistency. So it is important, but not in a direct way in the way that domestic policy is." 

Well, tonight's character-scrutinizing has certainly begun online. 

Here, some of the best uses of these trending tags: 

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