90 Seconds with Art Cashin: 'Nervousness is Back'

11:40 AM ET Thu, 23 Aug 2012

CNBC's Bob Pisani and Art Cashin, of UBS, discuss the likelihood of QE3. The market is trying to figure out the form it would take and whom it would help, says Cashin. There's also concern things have been pushed out to October with Greece. "Nervousness is back," he adds.