Kolkata: Angry flyers screamed at them, profanities were hurled from all directions, phones were snatched away and work terminals were damaged. IndiGo Airlines ground staff at Kolkata airport, who endured 60 hours of extreme stress and tension from midnight of Dec 1 until the afternoon of Dec 6, are glad that the nightmare is over.With the dust kicked up by the IndiGo flight delays and cancellations...