RIYADH — As Saudi Arabia faced intensifying international scepticism over its story about the death of journalist Jamal Khashoggi, a senior government official laid out a new version of the death inside the Saudi consulate in Istanbul that in key respects contradicts previous explanations.The latest account, provided by a Saudi official who requested anonymity, includes details on how the team of 15 Saudi nationals sent to confront Khashoggi on Oct.