NEW YORK (CBSNewYork) — Southwest Airlines has apologized to a mother and daughter who said they got rough treatment at the airport. Kenlie Tiggeman, a 30-year-old political strategist and weight loss blogger in New York City, said it was humiliating, being told she was too fat to fly, reports CBS 2’s John Slattery. “It was rude. It was in front of lots of people,” said Tiggeman, who’s originally from New Orleans. Tiggeman said the incident happened in Dallas over Easter. She and her mother were told by a gate agent they each had to purchase two seats. “And said that...