A new documentary examining the life and influence of Elon Musk has become one of the most talked-about premieres at this year’s Venice Film Festival. The film, directed by acclaimed documentary filmmaker Alex Gibney, offers an extensive look at the billionaire entrepreneur’s rise from technology startup founder to one of the most powerful figures in business and public life. The documentary, titled “Musk,” made its debut on September 8 and immediately attracted attention for both its subject…