In Singapore's botanic gardens this morning, an orchid will be named after the Prime Minister and his wife Lucy in the tradition of naming a hybrid of the national flower after visiting leaders. [...] Tonight, Mr Turnbull will give the keynote address to the Asia Security summit — more commonly known as the Shangri-La dialogue. Delegates from more than 50 countries will be in the audience. [...] The Economist dubbed the incident the "Shangri-La dust up". Security will be intense and Singaporeans have already been warned to avoid anything that could be deemed suspicious.