Delta Air Lines announced plans to debut a higher tier of exclusive airport lounges — just months after outraging travelers by clamping down on access to its Sky Club.The first of Delta’s newest “premium” lounges is scheduled to open at New York’s John F. Kennedy International Airport in June, the Atlanta-based airline said in a press release issued Thursday.The inaugural lounge is anticipated to span 38,000 square feet, with a full-service brasserie, market and dedicated wellness areas, per the announceme ...