It seems that Southwest Airlines is adding a flight from Charlotte to Dallas’ Love Field after all. Service starts on August 9th , the day after the airline’s second summer-seasonal flight to Houston Hobby ends. And yes, there’s a lot of drama associated with this, as Love Field is capacity limited to federal law — only 20 gates are allowed — and adding the Charlotte flight and seven other destinations in August including Raleigh comes by kicking Delta Air Lines out of the airport…