Southwest Airlines CEO Bob Jordan said the company is ready to adapt to changing customer trends like premium seating as pressure from an activist investor mounts."We will adapt as our customers' needs adapt," Jordan said at an industry event hosted by Politico on Wednesday.Jordan's comments came two days after hedge fund Elliott Management disclosed a $1.9 billion stake in Southwest and said the carrier needs a new CEO and new chairman.Jordan told investors in April that the airline is considering major ch ...