Mark Peterson/AFP via GettyDavid Pecker, much like Arnold Schwarzenegger, will be back.On Friday, the former National Enquirer boss will take the stand for the fourth time this week in Donald Trump’s hush money trial to face a second grilling from the former president’s defense team. Pecker, the former CEO of American Media Inc (AMI), has already testified about his efforts to act as Trump’s “eyes and ears” ahead of the 2016 presidential election by buying up the exclusive rights to negative sto