<p>Elon Musk&#8217;s ex Ashley St. Clair spoke about her decision to reject a $40 million non-disclosure agreement after the influencer gave birth last year to Musk&#8217;s 13th child. By turning down the alleged payday, St. Clair was able to sit for an interview in &#8220;Musk,&#8221; a new documentar</p>