In 1946, Lansky called a meeting of the heads of the major crime families in Havana that December, dubbed the Havana Conference. The ostensible reason was to see singer Frank Sinatra perform. However, the real reason was to discuss mob business with Luciano in attendance. The three topics under discussion were: the heroin trade, Cuban gambling, and what to do about Siegel and his floundering Flamingo Hotel project in Las Vegas.