Business class comes with Champagne, lie-flat seats and an unspoken sense of calm. What it does not guarantee is immunity from crime. A 26-year-old man has been sentenced to 20 months in jail after attempting to steal another passenger’s carry-on bag mid-flight on a Singapore Airlines service from Dubai to Singapore. Liu Ming boarded the August flight with intent. Prosecutors told the court he deliberately targeted business class passengers, assuming premium cabins meant premium valuables. He was seated only a few rows away from an Azerbaijani couple whose overhead luggage contained items worth more than S$100,000, roughly A$116,000. The timing...