Japan could be heading into one of the worst typhoon seasons in its history, raising fears that stronger, more frequent storms will challenge not only the country’s disaster defences but also a summer travel industry already stretched by packed trains, hotels and itineraries.Tokyo-based Weathernews, a private meteorological firm providing long-range forecasts across Asia, has predicted that as many as 28 typhoons could affect Japan this year, with up to 14 potentially making landfall – well...