Disney (DIS) has some serious decisions to make now that Bob Iger has returned as CEO. One question includes the murky future of ESPN and whether or not the media giant should consider spinning off the popular sports network — a suggestion previously made by Third Point’s Dan Loeb. Loeb argued ESPN would have greater flexibility to pursue business initiatives, such as sports betting, if it was not part of Disney. “We’re very much against spinning off ESPN… that’s the dumbest thing ever,” Jason Bazinet, managing director at Citi, told Yahoo Finance Live on Monday. Bazinet went on to explain ESPN has the potential to be a much bigger global…