With global comp sales up 4.2% and U.S. comp sales up 2.4%, McDonald’s turned in a strong third quarter, and investors are happy for now. But we all know that running a restaurant chain is about more than just making investors happy, right? Beyond the financials, a number of narratives emerged during the company’s earnings call Tuesday morning that could qualify as storylines to watch through Q4. For starters, the company continues to endure its largest construction project ever with its Experience of the Future initiative…….