 Musk said one reason for the move, in fact he called it the last straw, was a new California law that forbids school districts from requiring teachers to notify parents when a child changes gender identity or sexual orientation. Autopsies confirmed traces of cyanide in the cups of two American and four Vietnamese guests whose bodies were found in the luxury Grand Hyatt Erewhon Hotel in Bangkok yesterday. Thai police believe one of them poisoned the others over a bad investment.