JetBlue is focusing on its East Coast leisure routes as it works to return to profitability.The airline released quarterly earnings Tuesday (July 30) showing a $25 million profit, and said it plans to emphasize flights in and out of New York, Puerto Rico and New England, where it is adding new routes from Manchester, N.H.“Our network sits in some of the most valuable geographies in the world,” said JetBlue CEO Joanna Geraghty.“We have a leading position and three of the five largest markets on the East Coas ...