You can find original article here Nrn. Subscribe to our free daily Nrn newsletters. McDonald’s has thrown everything but the kitchen sink at trying to get lower-income consumers to return to its restaurants, but it seems they’re not budging from the sidelines. Fortunately for the company, higher-income consumers are coming in more, bolstering domestic sales. In the third quarter, U.S. same-store sales increased by 2.4%, driven by check growth.  Companywide same-store sales increased 3.6%.  In ...